{"id":2632,"date":"2021-02-27T10:39:24","date_gmt":"2021-02-27T09:39:24","guid":{"rendered":"https:\/\/scispx.com\/?post_type=instruments&#038;p=2632"},"modified":"2025-10-01T13:33:34","modified_gmt":"2025-10-01T11:33:34","slug":"quaatro39-autoanalyzer-continuous-segmented-flow-analyzer","status":"publish","type":"instruments","link":"https:\/\/scispx.com\/fr\/instruments\/quaatro39-autoanalyzer\/","title":{"rendered":"QuAAtro39 AutoAnalyseur"},"content":{"rendered":"<h2>Analyseur de flux segment\u00e9 continu<\/h2>\n<p>Le QuAAtro39 <strong>est l\u2019analyseur continu \u00e0 flux segment\u00e9<\/strong>le plus compact et automatis\u00e9 au monde. \u00c9quip\u00e9 d\u2019une hydraulique micro ou macro-d\u00e9bit, de modules chauff\u00e9s, de d\u00e9tecteurs haute r\u00e9solution et d\u2019un logiciel avanc\u00e9, cet analyseur chimique micro-d\u00e9bit haute performance est id\u00e9al pour la <strong>d\u00e9tection de traces ultra-faibles de nutriments dans l\u2019eau, les eaux us\u00e9es, l\u2019eau de mer, les sols, les extraits de plantes, le tabac et le vin.<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Pourquoi choisir cet analyseur continu \u00e0 flux segment\u00e9 ?<\/strong><\/h3>\n<p><strong>Automatisation\u00a0<\/strong><\/p>\n<ul>\n<li>Contr\u00f4les de performance automatiques avant, pendant et apr\u00e8s chaque analyse<\/li>\n<li>Pr\u00e9traitement des \u00e9chantillons en ligne : distillation, diffusion gazeuse, dialyse, dilution et digestion<\/li>\n<li>Surveillance automatique du bruit, de la d\u00e9rive, du motif des bulles et de l\u2019intensit\u00e9 lumineuse<\/li>\n<li>Arr\u00eat complet et automatique avec lib\u00e9ration du plateau de pompe (en option)<\/li>\n<li>Analyse haute vitesse en micro-d\u00e9bit, jusqu\u2019\u00e0 600 tests par heure avec un syst\u00e8me \u00e0 5 canaux<\/li>\n<li>Analyseur de chimie compact et flexible<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Conformit\u00e9<\/strong><\/p>\n<ul>\n<li>Source lumineuse LED<\/li>\n<li>Limites de d\u00e9tection ultra-basses<\/li>\n<li>Plus de 1 000 m\u00e9thodes document\u00e9es d\u2019analyse en flux continu d\u00e9velopp\u00e9es par SEAL Analytical, avec de nouvelles applications r\u00e9guli\u00e8rement cr\u00e9\u00e9es dans nos laboratoires. M\u00e9thodes conformes aux normes internationales telles que USEPA, ASTM, ISO, AOAC, DIN, entre autres<\/li>\n<li>Photom\u00e8tre num\u00e9rique haute r\u00e9solution pour une sensibilit\u00e9 accrue<\/li>\n<li>Collecteur et d\u00e9tecteur int\u00e9gr\u00e9s (chauff\u00e9s \u00e0 37 + degr\u00e9s C)<\/li>\n<li>Fr\u00e9quence de bulles optimis\u00e9e, programm\u00e9e par des valves \u00e0 air silencieuses<\/li>\n<li>Modules multitests pour diff\u00e9rents nutriments, sans changement mat\u00e9riel<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Efficacit\u00e9\u00a0<\/strong><\/p>\n<ul>\n<li>Tr\u00e8s bonne reproductibilit\u00e9<\/li>\n<li>Augmentation de la productivit\u00e9 de 33% par rapport \u00e0 son pr\u00e9d\u00e9cesseur<\/li>\n<li>Les syst\u00e8mes hydrauliques \u00e0 micro ou macro flux permettent des d\u00e9bits d'\u00e9chantillons \u00e9lev\u00e9s (le diam\u00e8tre interne de la verrerie est de 1 ou 2 mm).<\/li>\n<li>\u00c9galement disponible en tant qu'analyseur d'eau de mer \u00e0 5 canaux<\/li>\n<li>Faible consommation d'\u00e9chantillons<\/li>\n<li>Faible consommation de r\u00e9actifs<\/li>\n<li>D\u00e9marrage en un clic<\/li>\n<li>Fonctionnement fiable sans surveillance et pendant la nuit<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><strong>Comment fonctionne l'analyseur automatique QuAAtro39 ?<\/strong><\/h3>\n<p>Le syst\u00e8me se compose de cinq \u00e9l\u00e9ments principaux : un \u00e9chantillonneur automatique, une pompe p\u00e9ristaltique, un module de chimie, un d\u00e9tecteur, et un logiciel d\u2019acquisition de donn\u00e9es.<strong> Les \u00e9chantillons et r\u00e9actifs sont pomp\u00e9s en continu<\/strong> \u00e0 travers le module de chimie, o\u00f9 des bulles d\u2019air sont introduites \u00e0 intervalles r\u00e9guliers pour former des segments de r\u00e9action distincts. Ces segments sont ensuite efficacement m\u00e9lang\u00e9s \u00e0 l\u2019aide de spires en verre. Le tubing en verre est id\u00e9al car il est inerte, se nettoie facilement et permet une v\u00e9rification visuelle rapide.<\/p>\n<p>Dans les analyseurs \u00e0 flux segment\u00e9 continu, les r\u00e9actions vont jusqu\u2019\u00e0 leur terme, et le rapport entre l\u2019\u00e9chantillon et les r\u00e9actifs dans le d\u00e9tecteur atteint une valeur maximale constante. Cela permet d\u2019obtenir des limites de d\u00e9tection ultra-faibles et une <strong>reproductibilit\u00e9 exceptionnelle.<\/strong>Les variations de temps de r\u00e9action, de temp\u00e9rature ou de matrice d\u2019\u00e9chantillon n\u2019ont aucun impact sur les r\u00e9sultats. Cela contraste avec d\u2019autres techniques colorim\u00e9triques, comme la Flow Injection Analysis (FIA), o\u00f9 la r\u00e9action n\u2019est pas men\u00e9e \u00e0 son terme.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Photom\u00e8tre num\u00e9rique \u00e0 haute r\u00e9solution<\/strong><\/h3>\n<ul>\n<li>Limites de d\u00e9tection ultra-basses<\/li>\n<li>Optimis\u00e9 pour les UV<\/li>\n<li>R\u00e9solution num\u00e9rique \u00e9lev\u00e9e<\/li>\n<li>Technologie de passage des bulles \u00e0 travers la cellule de mesure<\/li>\n<li>V\u00e9ritable syst\u00e8me \u00e0 double faisceau avec r\u00e9f\u00e9rence en temps r\u00e9el<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Analyseur micro-d\u00e9bit haute performance<\/p>","protected":false},"featured_media":2635,"template":"","brands":[440],"applications":[],"markets":[18,16,36,46,35],"class_list":["post-2632","instruments","type-instruments","status-publish","has-post-thumbnail","hentry","brands-seal","markets-agriculture","markets-environmental","markets-soil-and-surface","markets-soil-and-water-conservation","markets-wastewater-treatment"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>QuAAtro39 AutoAnalyzer | Continuous Segmented Flow Analyzer | SciSPX Analysis simplified<\/title>\n<meta name=\"description\" content=\"Continuous segmented flow analyzer ideal for ultra-low nutrient detection in water, wastewater, seawater, soil, plant extracts, tobacco, etc.\" \/>\n<meta name=\"robots\" content=\"index, nofollow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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