{"id":7957,"date":"2026-10-21T16:27:23","date_gmt":"2026-10-21T14:27:23","guid":{"rendered":"https:\/\/scispx.com\/?page_id=7957"},"modified":"2026-10-22T10:10:57","modified_gmt":"2026-10-22T08:10:57","slug":"spectrometers","status":"publish","type":"page","link":"https:\/\/scispx.com\/fr\/spectrometers\/","title":{"rendered":"Spectrom\u00e8tres"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"7957\" class=\"elementor elementor-7957\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f1dcb6 e-flex e-con-boxed e-con e-parent\" data-id=\"4f1dcb6\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;4697a8c&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3a61074 e-con-full e-flex e-con e-child\" data-id=\"3a61074\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b8d569c elementor-widget elementor-widget-heading\" data-id=\"b8d569c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Spectrom\u00e8tres<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfdd072 elementor-widget elementor-widget-text-editor\" data-id=\"dfdd072\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Les spectrom\u00e8tres sont des outils essentiels pour l\u2019analyse chimique, la caract\u00e9risation des mat\u00e9riaux et le contr\u00f4le qualit\u00e9. Ils \u00e9tudient les interactions entre le rayonnement \u00e9lectromagn\u00e9tique et la mati\u00e8re afin de fournir des informations sur la composition chimique, la structure mol\u00e9culaire et les propri\u00e9t\u00e9s des \u00e9chantillons.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81d4601 elementor-widget elementor-widget-button\" data-id=\"81d4601\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#ourspectrometers\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nos spectrom\u00e8tres<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0a29222 e-con-full e-grid e-con e-child\" data-id=\"0a29222\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c78af0 elementor-widget elementor-widget-image\" data-id=\"5c78af0\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometer-banners.png\" class=\"attachment-large size-large wp-image-7976\" alt=\"\" srcset=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometer-banners.png 900w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometer-banners-300x200.png 300w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometer-banners-768x512.png 768w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometer-banners-18x12.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-121d7fc e-flex e-con-boxed e-con e-parent\" data-id=\"121d7fc\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a70e807 e-n-tabs-mobile elementor-widget elementor-widget-n-tabs\" data-id=\"a70e807\" data-element_type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;start&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"175171591\" aria-label=\"Onglets. Ouvrez les \u00e9l\u00e9ments \u00e0 l&#039;aide de la touche Entr\u00e9e ou de la barre d&#039;espace, fermez-les avec la touche \u00c9chap et naviguez \u00e0 l&#039;aide des touches fl\u00e9ch\u00e9es.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-1751715911\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-1751715911\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tAper\u00e7u\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1751715912\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1751715912\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tFonctionnement\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1751715913\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1751715913\" style=\"--n-tabs-title-order: 3;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tApplications\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1751715914\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1751715914\" style=\"--n-tabs-title-order: 4;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tComment choisir \t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-1751715915\" class=\"e-n-tab-title elementor-animation-grow\" aria-selected=\"false\" data-tab-index=\"5\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-1751715915\" style=\"--n-tabs-title-order: 5;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tFAQ\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-1751715911\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1751715911\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-75d6562 e-con-full e-flex e-con e-child\" data-id=\"75d6562\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-8f3c37d e-flex e-con-boxed e-con e-child\" data-id=\"8f3c37d\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e80a80 elementor-widget elementor-widget-heading\" data-id=\"2e80a80\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que la spectroscopie ?<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8c975bc e-con-full e-flex e-con e-child\" data-id=\"8c975bc\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6799cad elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"6799cad\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La spectroscopie est l\u2019\u00e9tude des interactions entre le rayonnement \u00e9lectromagn\u00e9tique et la mati\u00e8re. Ces interactions comprennent l\u2019absorption, l\u2019\u00e9mission et la diffusion du rayonnement \u00e0 diff\u00e9rentes longueurs d\u2019onde.<\/p><p>Dans les laboratoires analytiques, la spectroscopie fournit des informations qualitatives et quantitatives sur les substances. Le principe de mesure utilis\u00e9 d\u00e9termine quelles propri\u00e9t\u00e9s mol\u00e9culaires ou \u00e9lectroniques peuvent \u00eatre \u00e9tudi\u00e9es.<\/p><p><strong>L'analyse spectroscopique joue un r\u00f4le important dans :<\/strong><\/p><ul><li><div><div><p><strong>Identification chimique :<\/strong> identification des substances \u00e0 partir de leurs caract\u00e9ristiques spectrales.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Analyse quantitative :<\/strong> d\u00e9termination de la concentration d\u2019analytes \u00e0 l\u2019aide de mesures spectroscopiques \u00e9talonn\u00e9es.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Caract\u00e9risation mol\u00e9culaire :<\/strong> \u00e9tude des groupes fonctionnels, de la structure mol\u00e9culaire et des propri\u00e9t\u00e9s \u00e9lectroniques.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Le contr\u00f4le qualit\u00e9 :<\/strong> \u00e9valuation des mati\u00e8res premi\u00e8res, des produits finis et de la coh\u00e9rence des lots.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Recherche et d\u00e9veloppement :<\/strong> \u00e9tude des r\u00e9actions chimiques, des interactions mol\u00e9culaires et du comportement des mat\u00e9riaux.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Surveillance environnementale :<\/strong> d\u00e9tection et quantification de compos\u00e9s sp\u00e9cifiques dans les \u00e9chantillons environnementaux.<\/p><\/div><\/div><\/li><\/ul><p>Les techniques spectroscopiques diff\u00e8rent par leur sensibilit\u00e9, leur s\u00e9lectivit\u00e9, leur domaine spectral et leurs exigences en mati\u00e8re de pr\u00e9paration des \u00e9chantillons. Le choix de la m\u00e9thode appropri\u00e9e est essentiel pour obtenir des r\u00e9sultats analytiques pertinents.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bfa49e elementor-widget elementor-widget-image\" data-id=\"3bfa49e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/Spectrometers-overview.png\" class=\"attachment-large size-large wp-image-7983\" alt=\"\" srcset=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/Spectrometers-overview.png 900w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/Spectrometers-overview-300x200.png 300w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/Spectrometers-overview-768x512.png 768w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/Spectrometers-overview-18x12.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37b2a75 elementor-widget elementor-widget-heading\" data-id=\"37b2a75\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">UV-Visible, fluorescence ou FTIR : quelle technique choisir ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02dd30a elementor-widget elementor-widget-text-editor\" data-id=\"02dd30a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Bien que ces techniques appartiennent \u00e0 la m\u00eame famille d'analyses, elles fournissent diff\u00e9rents types d'informations.<\/p><div><table><tbody><tr><th><p>Caract\u00e9ristique<\/p><\/th><th><p>UV-Vis<\/p><\/th><th><p>Fluorescence<\/p><\/th><th><p>FTIR<\/p><\/th><\/tr><tr><td><p>Principe<\/p><\/td><td><p>Absorption de lumi\u00e8re<\/p><\/td><td><p>\u00c9mission lumineuse apr\u00e8s excitation<\/p><\/td><td><p>Absorption infrarouge<\/p><\/td><\/tr><tr><td><p>Informations principales<\/p><\/td><td><p>Absorbance et concentration<\/p><\/td><td><p>Propri\u00e9t\u00e9s de fluorescence et concentration<\/p><\/td><td><p>Vibrations mol\u00e9culaires et groupes fonctionnels<\/p><\/td><\/tr><tr><td><p>Exemples typiques<\/p><\/td><td><p>Solutions, films, mat\u00e9riaux optiques<\/p><\/td><td><p>Solutions fluorescentes, certains solides<\/p><\/td><td><p>Solides, liquides, films, poudres<\/p><\/td><\/tr><tr><td><p>Principal avantage<\/p><\/td><td><p>M\u00e9thodes quantitatives \u00e9prouv\u00e9es<\/p><\/td><td><p>Tr\u00e8s grande sensibilit\u00e9 pour les fluorophores adapt\u00e9s<\/p><\/td><td><p>Identification chimique et information structurale<\/p><\/td><\/tr><tr><td><p>Principale limite<\/p><\/td><td><p>N\u00e9cessite une absorption optique suffisante<\/p><\/td><td><p>N\u00e9cessite une fluorescence ou un marqueur fluorescent<\/p><\/td><td><p>Chevauchement possible des bandes et interf\u00e9rences de matrice<\/p><\/td><\/tr><tr><td><p>Notre instrument<\/p><\/td><td><p><a href=\"https:\/\/scispx.com\/fr\/instruments\/db30-double-beam-uv-vis-spectrophotometer\/\">DB30<\/a><\/p><\/td><td><p><a href=\"https:\/\/scispx.com\/fr\/instruments\/fluorescence-spectrometer\/\">FE30<\/a><\/p><\/td><td><p><a href=\"https:\/\/scispx.com\/fr\/instruments\/ia30-ftir-spectrometer\/\">IA30<\/a><\/p><\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1751715912\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1751715912\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\"elementor-element elementor-element-f10971a e-con-full e-flex e-con e-child\" data-id=\"f10971a\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-dd3dbf4 e-flex e-con-boxed e-con e-child\" data-id=\"dd3dbf4\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20396c4 elementor-widget elementor-widget-heading\" data-id=\"20396c4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment fonctionnent les instruments spectroscopiques ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc66a07 elementor-widget elementor-widget-text-editor\" data-id=\"dc66a07\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Les instruments spectroscopiques mesurent l\u2019interaction entre un rayonnement et un \u00e9chantillon. Le spectre obtenu repr\u00e9sente l\u2019intensit\u00e9 d\u2019un signal optique en fonction de la longueur d\u2019onde, du nombre d\u2019onde ou d\u2019une autre variable spectrale.<\/p><p>Le principe de mesure d\u00e9pend de la technique spectroscopique utilis\u00e9e.<\/p><h3>Spectroscopie d'absorption UV-Vis<\/h3><p>La spectroscopie UV-Visible mesure l\u2019absorption de la lumi\u00e8re ultraviolette et visible par un \u00e9chantillon.\n\nLorsque la lumi\u00e8re traverse une substance, certaines longueurs d\u2019onde peuvent \u00eatre absorb\u00e9es en raison de transitions \u00e9lectroniques. L\u2019instrument mesure alors l\u2019intensit\u00e9 transmise et calcule l\u2019absorbance.<\/p><p>Pour les \u00e9chantillons appropri\u00e9s, la loi de Beer-Lambert d\u00e9crit la relation entre l\u2019absorbance et la concentration :<\/p><div><em>A = \u03b5 \u00b7 c \u00b7 l<\/em><\/div><div>\u00a0<\/div><p><strong>O\u00f9 :<\/strong><\/p><ul><li><div><div><p>A : Absorbance<\/p><\/div><\/div><\/li><li><div><div><p>\u03b5 : coefficient d'absorption molaire<\/p><\/div><\/div><\/li><li><div><div><p>c : concentration de l'analyte<\/p><\/div><\/div><\/li><li><div><div><p>l : longueur du trajet optique<\/p><\/div><\/div><\/li><\/ul><p>Cette relation permet une analyse quantitative lorsque les conditions de mesure sont appropri\u00e9es et que la m\u00e9thode est correctement \u00e9talonn\u00e9e.<\/p><p>La spectroscopie UV-Vis est couramment utilis\u00e9e pour la d\u00e9termination des concentrations, les mesures d'absorbance, le suivi des r\u00e9actions et la caract\u00e9risation optique.<\/p><h3>Spectroscopie de fluorescence<\/h3><p>La spectroscopie de fluorescence mesure la lumi\u00e8re \u00e9mise par une substance apr\u00e8s excitation \u00e0 une longueur d\u2019onde appropri\u00e9e.\n\nCertaines mol\u00e9cules absorbent une \u00e9nergie d\u2019excitation puis r\u00e9\u00e9mettent de la lumi\u00e8re \u00e0 une longueur d\u2019onde plus grande. La diff\u00e9rence entre les longueurs d\u2019onde d\u2019excitation et d\u2019\u00e9mission est appel\u00e9e d\u00e9calage de Stokes.<\/p><p><b>Les mesures de fluorescence fournissent des informations sur :<\/b><\/p><ul><li><div><div><p>Identification et quantification des compos\u00e9s fluorescents<\/p><\/div><\/div><\/li><li><div><div><p>Les interactions mol\u00e9culaires et les modifications de l\u2019environnement chimique local<\/p><\/div><\/div><\/li><li><div><div><p>L\u2019extinction de fluorescence (quenching)<\/p><\/div><\/div><\/li><li><div><div><p>Caract\u00e9ristiques d'excitation et d'\u00e9mission<\/p><\/div><\/div><\/li><li><div><div><p>Certains analytes biochimiques et environnementaux<\/p><\/div><\/div><\/li><\/ul><p>La spectroscopie de fluorescence peut offrir une tr\u00e8s grande sensibilit\u00e9 pour les compos\u00e9s fluorescents. Cependant, toutes les substances ne pr\u00e9sentent pas de fluorescence exploitable.<\/p><h3>Spectroscopie infrarouge \u00e0 transform\u00e9e de Fourier (FTIR)<\/h3><p>La spectroscopie FTIR mesure l\u2019absorption du rayonnement infrarouge par un \u00e9chantillon \u00e0 diff\u00e9rents nombres d\u2019onde.\n\nL\u2019absorption infrarouge se produit lorsque le rayonnement interagit avec des modes de vibration mol\u00e9culaires impliquant une variation du moment dipolaire.<\/p><p>Les diff\u00e9rentes liaisons chimiques et groupes fonctionnels produisent des bandes d\u2019absorption caract\u00e9ristiques. Ces signatures spectrales permettent d\u2019identifier des compos\u00e9s et d\u2019\u00e9tudier leur structure mol\u00e9culaire.<\/p><p>Un spectrom\u00e8tre FTIR utilise un interf\u00e9rom\u00e8tre pour enregistrer un interf\u00e9rogramme. Une transformation de Fourier convertit ensuite ce signal en spectre infrarouge exploitable.<\/p><p><b>La spectroscopie FTIR est largement utilis\u00e9e pour :<\/b><\/p><ul><li><div><div><p>Identification des groupes fonctionnels<\/p><\/div><\/div><\/li><li><div><div><p>Caract\u00e9risation des polym\u00e8res et des mat\u00e9riaux<\/p><\/div><\/div><\/li><li><div><div><p>Identification des compos\u00e9s chimiques<\/p><\/div><\/div><\/li><li><div><div><p>V\u00e9rification des mati\u00e8res premi\u00e8res<\/p><\/div><\/div><\/li><li><div><div><p>Analyses relatives \u00e0 la contamination et aux impuret\u00e9s<\/p><\/div><\/div><\/li><li><div><div><p>Analyse des surfaces et des rev\u00eatements<\/p><\/div><\/div><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1751715913\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1751715913\" data-tab-index=\"3\" style=\"--n-tabs-title-order: 3;\" class=\"elementor-element elementor-element-5fd06dc e-con-full e-flex e-con e-child\" data-id=\"5fd06dc\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-47867ed e-flex e-con-boxed e-con e-child\" data-id=\"47867ed\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-82a4394 elementor-widget elementor-widget-heading\" data-id=\"82a4394\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications des instruments spectroscopiques<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e314840 e-con-full e-flex e-con e-child\" data-id=\"e314840\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-043875f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"043875f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Les instruments spectroscopiques soutiennent les flux de travail analytiques dans les laboratoires industriels, de recherche et de contr\u00f4le qualit\u00e9.<\/p><p>La technique la plus appropri\u00e9e d\u00e9pend de l\u2019analyte, de la matrice de l\u2019\u00e9chantillon, de la plage de concentration et des informations analytiques requises.<\/p><ul><li><div><div><p><strong>Contr\u00f4le qualit\u00e9 pharmaceutique :<\/strong> dosages UV-Vis, quantification bas\u00e9e sur la fluorescence et identification des mati\u00e8res premi\u00e8res par FTIR.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Analyse des aliments et des boissons :<\/strong> d\u00e9termination de compos\u00e9s sp\u00e9cifiques par UV-Visible, analyse des vitamines par fluorescence et caract\u00e9risation des ingr\u00e9dients par FTIR.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Analyse environnementale :<\/strong> d\u00e9termination de contaminants s\u00e9lectionn\u00e9s par UV-Visible et caract\u00e9risation de la mati\u00e8re organique dissoute par fluorescence.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Industrie chimique :<\/strong> mesures de concentration, identification chimique et surveillance de certains proc\u00e9d\u00e9s r\u00e9actionnels.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Science des polym\u00e8res et des mat\u00e9riaux :<\/strong> identification des polym\u00e8res par FTIR, \u00e9tude des rev\u00eatements et caract\u00e9risation optique par UV-Visible.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Recherche en sciences de la vie :<\/strong> \u00e9tudes des interactions mol\u00e9culaires par fluorescence, sondes biologiques et analyse de biomol\u00e9cules s\u00e9lectionn\u00e9es.<\/p><\/div><\/div><\/li><li><div><div><p><strong>Recherche acad\u00e9mique :<\/strong> caract\u00e9risation spectrale, d\u00e9veloppement de m\u00e9thodes et \u00e9tude des propri\u00e9t\u00e9s mol\u00e9culaires et des mat\u00e9riaux.<\/p><\/div><\/div><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f9ee90 elementor-widget elementor-widget-image\" data-id=\"1f9ee90\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications-1024x1024.webp\" class=\"attachment-large size-large wp-image-7966\" alt=\"\" srcset=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications-1024x1024.webp 1024w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications-300x300.webp 300w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications-150x150.webp 150w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications-768x768.webp 768w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications-12x12.webp 12w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/spectrometers-applications.webp 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1751715914\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1751715914\" data-tab-index=\"4\" style=\"--n-tabs-title-order: 4;\" class=\"elementor-element elementor-element-219ee7a e-con-full e-flex e-con e-child\" data-id=\"219ee7a\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-7dcaf5e e-flex e-con-boxed e-con e-child\" data-id=\"7dcaf5e\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8ee1c1d e-con-full e-flex e-con e-child\" data-id=\"8ee1c1d\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c773b5 elementor-widget elementor-widget-heading\" data-id=\"1c773b5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Choisir un instrument spectroscopique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b56d06e elementor-widget elementor-widget-text-editor\" data-id=\"b56d06e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La s\u00e9lection de l\u2019instrument spectroscopique appropri\u00e9 n\u00e9cessite d\u2019\u00e9valuer l\u2019objectif analytique, les caract\u00e9ristiques de l\u2019\u00e9chantillon et les exigences de mesure.<\/p><h3><strong>Objectif analytique<\/strong><\/h3><p>D\u00e9terminez si l\u2019analyse requiert une mesure de concentration, une identification mol\u00e9culaire, une caract\u00e9risation par fluorescence ou l\u2019\u00e9tude des propri\u00e9t\u00e9s d\u2019un mat\u00e9riau.<\/p><p>La spectroscopie UV-Visible est couramment utilis\u00e9e pour la quantification bas\u00e9e sur l\u2019absorbance, tandis que la spectroscopie FTIR fournit des informations sur les vibrations mol\u00e9culaires. La spectroscopie de fluorescence est utile pour les compos\u00e9s pr\u00e9sentant des propri\u00e9t\u00e9s d\u2019\u00e9mission adapt\u00e9es.<\/p><h3><strong>Type d'\u00e9chantillon et pr\u00e9paration<\/strong><\/h3><p>D\u00e9terminez si les \u00e9chantillons sont des liquides, des solides, des poudres, des films ou des mat\u00e9riaux biologiques.\n\nLes mesures UV-Visible et de fluorescence utilisent g\u00e9n\u00e9ralement des \u00e9chantillons liquides plac\u00e9s dans des cuves. Des accessoires permettent d\u2019\u00e9tendre ces applications \u00e0 certains solides et autres formats d\u2019\u00e9chantillons.<\/p><p>Les instruments FTIR proposent diff\u00e9rentes configurations d\u2019\u00e9chantillonnage, notamment en transmission et en ATR. L\u2019ATR peut simplifier l\u2019analyse de nombreux \u00e9chantillons solides et liquides.<\/p><h3><strong>Sensibilit\u00e9 et plage de concentration<\/strong><\/h3><p>La limite de d\u00e9tection requise influence le choix de l\u2019instrument.\n\nLa spectroscopie de fluorescence peut offrir une sensibilit\u00e9 \u00e9lev\u00e9e pour les analytes fluorescents adapt\u00e9s. La sensibilit\u00e9 en UV-Visible d\u00e9pend de l\u2019absorptivit\u00e9 de l\u2019analyte, de la longueur du trajet optique et des performances de l\u2019instrument.<\/p><p>La sensibilit\u00e9 en FTIR d\u00e9pend de la configuration de mesure, des bandes d\u2019absorption de l\u2019analyte et de la matrice de l\u2019\u00e9chantillon.<\/p><h3><strong>Domaine spectral et r\u00e9solution<\/strong><\/h3><p>Les diff\u00e9rents instruments fonctionnent dans des r\u00e9gions spectrales diff\u00e9rentes.\n\nLes instruments UV-Visible mesurent l\u2019absorption dans les domaines ultraviolet et visible, les spectrom\u00e8tres de fluorescence analysent les longueurs d\u2019onde d\u2019excitation et d\u2019\u00e9mission, tandis que les instruments FTIR mesurent l\u2019absorption infrarouge.<\/p><p>La r\u00e9solution spectrale doit \u00eatre adapt\u00e9e \u00e0 la complexit\u00e9 de l\u2019\u00e9chantillon et aux informations analytiques recherch\u00e9es.<\/p><h3><strong>Flux de travail et logiciel<\/strong><\/h3><p>Prenez en compte le d\u00e9bit d\u2019\u00e9chantillons de routine, le d\u00e9veloppement de m\u00e9thodes, le traitement des spectres, le reporting et la gestion des donn\u00e9es.\n\nLes laboratoires doivent \u00e9galement \u00e9valuer les exigences relatives \u00e0 la validation des instruments, \u00e0 l\u2019\u00e9talonnage et aux \u00e9ventuelles exigences r\u00e9glementaires applicables.<\/p><p>\u00a0<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-1751715915\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-1751715915\" data-tab-index=\"5\" style=\"--n-tabs-title-order: 5;\" class=\"elementor-element elementor-element-50f1aad e-flex e-con-boxed e-con e-child\" data-id=\"50f1aad\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-27dd949 elementor-widget elementor-widget-heading\" data-id=\"27dd949\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Foire aux questions<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6aa8c91 e-con-full e-flex e-con e-child\" data-id=\"6aa8c91\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-b4b5672 e-con-full e-flex e-con e-child\" data-id=\"b4b5672\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d87f032 elementor-widget elementor-widget-n-accordion\" data-id=\"d87f032\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accord\u00e9on. Ouvrez les liens avec Enter ou Space, fermez-les avec Escape et naviguez avec les touches fl\u00e9ch\u00e9es.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2270\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2270\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Qu'est-ce qu'un instrument spectroscopique ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2270\" class=\"elementor-element elementor-element-dd8bc46 e-con-full e-flex e-con e-child\" data-id=\"dd8bc46\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b8a0e54 elementor-widget elementor-widget-text-editor\" data-id=\"b8a0e54\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Un instrument spectroscopique mesure les interactions entre le rayonnement \u00e9lectromagn\u00e9tique et la mati\u00e8re. Ces mesures fournissent des informations sur la composition chimique, la concentration, la structure mol\u00e9culaire ou les propri\u00e9t\u00e9s optiques d\u2019un \u00e9chantillon.\n\nLes instruments couramment utilis\u00e9s en laboratoire comprennent les spectrophotom\u00e8tres UV-Visible, les spectrom\u00e8tres de fluorescence et les spectrom\u00e8tres FTIR.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2271\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2271\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quelle est la diff\u00e9rence entre un spectrom\u00e8tre et un spectrophotom\u00e8tre ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2271\" class=\"elementor-element elementor-element-8562588 e-con-full e-flex e-con e-child\" data-id=\"8562588\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29293a5 elementor-widget elementor-widget-text-editor\" data-id=\"29293a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Un spectrom\u00e8tre est un terme g\u00e9n\u00e9ral d\u00e9signant un instrument qui mesure un spectre.\n\nUn spectrophotom\u00e8tre mesure sp\u00e9cifiquement des propri\u00e9t\u00e9s optiques telles que l\u2019absorbance ou la transmittance en fonction de la longueur d\u2019onde.\n\nDans la pratique, les deux termes sont parfois utilis\u00e9s de mani\u00e8re interchangeable, mais leur signification exacte d\u00e9pend de la technique de mesure employ\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2272\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2272\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quelle est la diff\u00e9rence entre la spectroscopie UV-Vis et la spectroscopie FTIR ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2272\" class=\"elementor-element elementor-element-e781c91 e-con-full e-flex e-con e-child\" data-id=\"e781c91\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cf6544 elementor-widget elementor-widget-text-editor\" data-id=\"6cf6544\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La spectroscopie UV-Vis mesure l\u2019absorption \u00e9lectronique dans les r\u00e9gions ultraviolette et visible du spectre. Elle est couramment utilis\u00e9e pour l\u2019analyse quantitative et la caract\u00e9risation optique.\n\nLa spectroscopie FTIR mesure l\u2019absorption infrarouge associ\u00e9e aux vibrations mol\u00e9culaires. Elle est particuli\u00e8rement utile pour l\u2019identification des groupes fonctionnels et la caract\u00e9risation des substances chimiques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2273\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2273\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quand utiliser la spectroscopie de fluorescence plut\u00f4t que l\u2019UV-Visible ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2273\" class=\"elementor-element elementor-element-d4daa1f e-flex e-con-boxed e-con e-child\" data-id=\"d4daa1f\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f20bf3 elementor-widget elementor-widget-text-editor\" data-id=\"7f20bf3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La spectroscopie de fluorescence est particuli\u00e8rement adapt\u00e9e lorsque le compos\u00e9 cible \u00e9met une fluorescence mesurable et qu\u2019une sensibilit\u00e9 analytique \u00e9lev\u00e9e est requise.\n\nLa spectroscopie UV-Visible est g\u00e9n\u00e9ralement plus appropri\u00e9e pour les compos\u00e9s qui absorbent la lumi\u00e8re mais ne pr\u00e9sentent pas de fluorescence exploitable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2274\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2274\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Les instruments spectroscopiques permettent-ils d'analyser des \u00e9chantillons solides et liquides ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2274\" class=\"elementor-element elementor-element-b016032 e-flex e-con-boxed e-con e-child\" data-id=\"b016032\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d87f379 elementor-widget elementor-widget-text-editor\" data-id=\"d87f379\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Oui, mais la compatibilit\u00e9 d\u00e9pend de l\u2019instrument et des accessoires d\u2019\u00e9chantillonnage utilis\u00e9s.\n\nLes spectrophotom\u00e8tres UV-Visible et les spectrom\u00e8tres de fluorescence analysent g\u00e9n\u00e9ralement des solutions plac\u00e9es dans des cuves. Des accessoires adapt\u00e9s peuvent \u00e9galement permettre l\u2019analyse de certains \u00e9chantillons solides.\n\nLes instruments FTIR peuvent analyser des liquides, des solides, des poudres et des films \u00e0 l\u2019aide de configurations de transmission, d\u2019ATR ou de r\u00e9flexion appropri\u00e9es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2275\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2275\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Une pr\u00e9paration d\u2019\u00e9chantillon est-elle n\u00e9cessaire en spectroscopie ? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2275\" class=\"elementor-element elementor-element-b5d653a e-flex e-con-boxed e-con e-child\" data-id=\"b5d653a\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34024a7 elementor-widget elementor-widget-text-editor\" data-id=\"34024a7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La pr\u00e9paration de l\u2019\u00e9chantillon d\u00e9pend de la technique utilis\u00e9e et de la matrice analys\u00e9e.\n\nLes analyses UV-Visible et fluorescence peuvent n\u00e9cessiter une dilution, une filtration ou une dissolution afin d\u2019obtenir des conditions optiques adapt\u00e9es.\n\nL\u2019ATR-FTIR n\u00e9cessite souvent tr\u00e8s peu de pr\u00e9paration. En revanche, la FTIR en transmission peut requ\u00e9rir des films, des cellules pour liquides ou des \u00e9chantillons solides pr\u00e9par\u00e9s.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16c1488 e-flex e-con-boxed e-con e-parent\" data-id=\"16c1488\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee07d4d elementor-widget elementor-widget-heading\" data-id=\"ee07d4d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comparez nos spectrom\u00e8tres<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1632ba1 elementor-widget elementor-widget-text-editor\" data-id=\"1632ba1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>SciSPX propose des instruments de spectroscopie destin\u00e9s aux laboratoires situ\u00e9s en Belgique, aux Pays-Bas et au Luxembourg. Notre gamme comprend trois technologies compl\u00e9mentaires pour les mesures d'absorption, l'analyse par fluorescence et la spectroscopie infrarouge. Chaque instrument r\u00e9pond \u00e0 des besoins analytiques diff\u00e9rents, allant de la d\u00e9termination de concentration de routine \u00e0 la caract\u00e9risation mol\u00e9culaire avanc\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d38de1a elementor-widget elementor-widget-jet-table\" data-id=\"d38de1a\" data-element_type=\"widget\" data-widget_type=\"jet-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-jet-table jet-elements\">\n\t\t<div class=\"jet-table-wrapper\">\n\t\t\t<table class=\"jet-table jet-table--fa5-compat\">\n\t\t\t\t<thead class=\"jet-table__head\"><tr class=\"jet-table__head-row\"><th class=\"jet-table__cell elementor-repeater-item-605b160 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Instrument<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-b26c587 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Technique<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-fc0013c jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Gamme spectrale<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-683138f jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Applications principales<\/div><\/div><\/div><\/th><\/tr><\/thead>\n\t\t\t\t\t\t\t\t<tbody class=\"jet-table__body\"><tr class=\"jet-table__body-row elementor-repeater-item-f8bc651\"><td class=\"jet-table__cell elementor-repeater-item-60a2aeb jet-table__body-cell\"><a class=\"jet-table__cell-inner jet-table__cell-link\" href=\"https:\/\/scispx.com\/fr\/instruments\/db30-double-beam-uv-vis-spectrophotometer\/\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">DB30<\/div><\/div><\/a><\/td><td class=\"jet-table__cell elementor-repeater-item-dcb0a28 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Spectrophotom\u00e8tre UV-Vis \u00e0 double faisceau<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-8835686 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">190\u20131 100 nm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-bc889dc jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Absorbance, transmittance, d\u00e9termination de  concentration<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-341136a\"><td class=\"jet-table__cell elementor-repeater-item-8bd8ae6 jet-table__body-cell\"><a class=\"jet-table__cell-inner jet-table__cell-link\" href=\"https:\/\/scispx.com\/fr\/instruments\/fluorescence-spectrometer\/\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">FE30<\/div><\/div><\/a><\/td><td class=\"jet-table__cell elementor-repeater-item-8e5fe7d jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Fluorescence<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-2316e12 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Excitation et \u00e9mission : 200\u2013900 nm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-63e57fc jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Analyse par fluorescence, d\u00e9tection de traces, \u00e9tudes mol\u00e9culaires<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-d1d678e\"><td class=\"jet-table__cell elementor-repeater-item-2053db1 jet-table__body-cell\"><a class=\"jet-table__cell-inner jet-table__cell-link\" href=\"https:\/\/scispx.com\/fr\/instruments\/ia30-ftir-spectrometer\/\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">IA30<\/div><\/div><\/a><\/td><td class=\"jet-table__cell elementor-repeater-item-67db334 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">FTIR<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-45ac088 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">8 000\u2013350 cm\u207b\u00b9<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-d7839c1 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Identification chimique, analyse des groupes fonctionnels, caract\u00e9risation des mat\u00e9riaux<\/div><\/div><\/div><\/td><\/tr><\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\n\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9ea9402 e-flex e-con-boxed e-con e-parent\" data-id=\"9ea9402\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-468b701 elementor-widget elementor-widget-menu-anchor\" data-id=\"468b701\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ourspectrometers\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-011df89 elementor-widget elementor-widget-heading\" data-id=\"011df89\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"http:\/\/ourspectrometers\">Trouvez le spectrom\u00e8tre qui vous convient<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a89bbd9 elementor-widget elementor-widget-text-editor\" data-id=\"a89bbd9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>D\u00e9couvrez notre gamme d\u2019instruments spectroscopiques et s\u00e9lectionnez la technologie correspondant \u00e0 vos exigences analytiques.<\/p><p>Nous pouvons vous aider \u00e0 comparer les syst\u00e8mes disponibles et \u00e0 s\u00e9lectionner une configuration adapt\u00e9e \u00e0 vos \u00e9chantillons et \u00e0 votre flux analytique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9585f9 elementor-pagination-type-bullets elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-n-carousel\" data-id=\"f9585f9\" data-element_type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;15a16e2&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;98fd7b2&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;131fead&quot;}],&quot;slides_to_show_tablet&quot;:&quot;2&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;arrows&quot;:&quot;yes&quot;,&quot;pagination&quot;:&quot;bullets&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carrousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 sur 3\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-802f222 e-flex e-con-boxed e-con e-child\" data-id=\"802f222\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bd207a5 e-con-full e-flex e-con e-child\" data-id=\"bd207a5\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-acc976f elementor-widget elementor-widget-image\" data-id=\"acc976f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical-150x150.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-7211\" alt=\"spectrophotom\u00e8tre UV-Vis \u00e0 double faisceau\" srcset=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical-150x150.webp 150w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical-300x300.webp 300w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical-1024x1024.webp 1024w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical-768x768.webp 768w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical-12x12.webp 12w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/DB-30-edingburgh-analytical.webp 1080w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f4b5f6 elementor-widget elementor-widget-text-editor\" data-id=\"9f4b5f6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Double beam UV-Vis spectrophotometer<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-785fc27 elementor-widget elementor-widget-text-editor\" data-id=\"785fc27\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong>DB30<\/strong><\/h3><p>Fournit des mesures pr\u00e9cises d\u2019absorbance et de transmittance sur l\u2019ensemble du domaine spectral UV-Visible. Sa conception optique \u00e0 double faisceau et ses options d\u2019\u00e9chantillonnage flexibles prennent en charge l\u2019analyse quantitative, la caract\u00e9risation optique et les analyses de laboratoire de routine.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-27a621b e-con-full e-flex e-con e-child\" data-id=\"27a621b\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f1a9e3f elementor-widget elementor-widget-text-editor\" data-id=\"f1a9e3f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/scispx.com\/fr\/instruments\/db30-double-beam-uv-vis-spectrophotometer\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff0000;\">Voir l\u2019instrument<\/span><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11ccf04 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"11ccf04\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/scispx.com\/fr\/instruments\/db30-double-beam-uv-vis-spectrophotometer\/\" target=\"_blank\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"2\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 sur 3\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-468b4e6 e-flex e-con-boxed e-con e-child\" data-id=\"468b4e6\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-11900b6 e-con-full e-flex e-con e-child\" data-id=\"11900b6\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c4aba1 elementor-widget elementor-widget-image\" data-id=\"1c4aba1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30-150x150.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-7215\" alt=\"Fluorescence spectrometer\" srcset=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30-150x150.webp 150w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30-300x300.webp 300w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30-1024x1024.webp 1024w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30-768x768.webp 768w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30-12x12.webp 12w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/FE30.webp 1080w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cdbc27a elementor-widget elementor-widget-text-editor\" data-id=\"cdbc27a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Fluorescence spectrometer<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-809d95a elementor-widget elementor-widget-text-editor\" data-id=\"809d95a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong>FE30<\/strong><\/h3><p>Permet des mesures de fluorescence sensibles pour l\u2019analyse qualitative et quantitative. Ses capacit\u00e9s de balayage d\u2019excitation, d\u2019\u00e9mission et tridimensionnel prennent en charge des applications en sciences de la vie, analyse environnementale, industrie pharmaceutique et recherche sur les mat\u00e9riaux.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dce6757 e-con-full e-flex e-con e-child\" data-id=\"dce6757\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b457401 elementor-widget elementor-widget-text-editor\" data-id=\"b457401\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/scispx.com\/fr\/instruments\/fluorescence-spectrometer\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff0000;\">Voir l\u2019instrument<\/span><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f4a9ea elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"9f4a9ea\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/scispx.com\/fr\/instruments\/fluorescence-spectrometer\/\" target=\"_blank\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"3\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 sur 3\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ddc43c4 e-flex e-con-boxed e-con e-child\" data-id=\"ddc43c4\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c9fedc6 e-con-full e-flex e-con e-child\" data-id=\"c9fedc6\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-889e97e elementor-widget elementor-widget-image\" data-id=\"889e97e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30-150x150.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-7220\" alt=\"Spectrom\u00e8tre FTIR\" srcset=\"https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30-150x150.webp 150w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30-300x300.webp 300w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30-1024x1024.webp 1024w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30-768x768.webp 768w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30-12x12.webp 12w, https:\/\/scispx.com\/wp-content\/uploads\/2026\/10\/IA30.webp 1080w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea78e36 elementor-widget elementor-widget-text-editor\" data-id=\"ea78e36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Spectrom\u00e8tre FTIR<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5664b13 elementor-widget elementor-widget-text-editor\" data-id=\"5664b13\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong>IA30<\/strong><\/h3><p>Permet l\u2019analyse spectrale infrarouge pour l\u2019identification chimique et la caract\u00e9risation des mat\u00e9riaux. Gr\u00e2ce \u00e0 ses accessoires d\u2019\u00e9chantillonnage flexibles, y compris les options ATR, il prend en charge l\u2019analyse des solides, liquides, poudres et films.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-18f749d e-con-full e-flex e-con e-child\" data-id=\"18f749d\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5470d52 elementor-widget elementor-widget-text-editor\" data-id=\"5470d52\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/scispx.com\/fr\/instruments\/ia30-ftir-spectrometer\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff0000;\">Voir l\u2019instrument<\/span><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b4381e elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"2b4381e\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/scispx.com\/fr\/instruments\/ia30-ftir-spectrometer\/\" target=\"_blank\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Pr\u00e9c\u00e9dent\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Suivant\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-33e0b81 e-flex e-con-boxed e-con e-parent\" data-id=\"33e0b81\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0e13c46 e-con-full e-flex e-con e-child\" data-id=\"0e13c46\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f3b7e9e elementor-widget__width-initial elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"f3b7e9e\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-comment\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 32C114.6 32 0 125.1 0 240c0 47.6 19.9 91.2 52.9 126.3C38 405.7 7 439.1 6.5 439.5c-6.6 7-8.4 17.2-4.6 26S14.4 480 24 480c61.5 0 110-25.7 139.1-46.3C192 442.8 223.2 448 256 448c141.4 0 256-93.1 256-208S397.4 32 256 32zm0 368c-26.7 0-53.1-4.1-78.4-12.1l-22.7-7.2-19.5 13.8c-14.3 10.1-33.9 21.4-57.5 29 7.3-12.1 14.4-25.7 19.9-40.2l10.6-28.1-20.6-21.8C69.7 314.1 48 282.2 48 240c0-88.2 93.3-160 208-160s208 71.8 208 160-93.3 160-208 160z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a813daa elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"a813daa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4>Vous ne savez pas quel spectrom\u00e8tre convient \u00e0 votre application ?<\/h4><p>Nos Xperts se feront un plaisir de discuter de votre application et de vous aider \u00e0 trouver la solution adapt\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae49ea9 elementor-widget elementor-widget-button\" data-id=\"ae49ea9\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjczNzYiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez nos Xperts<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef39d18 elementor-widget elementor-widget-spacer\" data-id=\"ef39d18\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Spectrom\u00e8tres Les spectrom\u00e8tres sont des outils indispensables pour l'analyse chimique, la caract\u00e9risation des mat\u00e9riaux et le contr\u00f4le qualit\u00e9. Ils \u00e9tudient la mani\u00e8re dont le rayonnement \u00e9lectromagn\u00e9tique interagit avec la mati\u00e8re afin de fournir des informations sur la composition chimique, la structure mol\u00e9culaire et les propri\u00e9t\u00e9s des \u00e9chantillons. Nos spectrom\u00e8tres Pr\u00e9sentation Principe de fonctionnement Applications Comment choisir ? FAQ Qu'est-ce que la spectroscopie ? La spectroscopie est l'\u00e9tude des interactions entre le rayonnement \u00e9lectromagn\u00e9tique [\u2026]<\/p>","protected":false},"author":171,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_mo_disable_npp":"","footnotes":""},"class_list":["post-7957","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spectrometers<\/title>\n<meta name=\"description\" content=\"Explore laboratory spectrometers for chemical analysis. 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