Analyzer for automatic rapid analysis of the acetaldehyde...

Details Analyzer for automatic rapid analysis of the acetaldehyde... Analyzer for automatic rapid analysis of the acetaldehyde...

G - Physics

01

N

G01N 30/06 (2006.01) G01N 1/00 (2006.01) G01N 1/22 (2006.01) G01N 30/12 (2006.01)

Patent

CA 2480848

This analyzer for extracting acetaldehyde and automatically determining its content, particularly in PET preform samples, comprises in combination: a) a desorption cell (1) into which said sample is inserted; b) an analysis chamber with a separation column (16) optimized for acetaldehyde separation; c) a complex of valves for manipulating the fluids within the system; d) a detection system; e) data processing and control means; f) a temperature- controlled casing housing the aforesaid components.

L'invention concerne un analyseur servant à extraire un acétaldéhyde et à déterminer automatiquement sa concentration, en particulier dans des échantillons de préformes en PET. Cet analyseur comprend a) une cellule de désorption (1) dans laquelle ledit échantillon est introduit, b) une chambre d'analyse équipée d'une colonne de séparation (16) optimisée pour la séparation d'acétaldéhydes, c) un ensemble complexe de vannes permettant de manipuler les fluides dans le système, d) un système de détection, e) un moyen de traitement de données et de commande et f) un boîtier à température contrôlée contenant lesdits composants.

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