A sampling material for a carbonyl compound in a gas

Details A sampling material for a carbonyl compound in a gas A sampling material for a carbonyl compound in a gas

G - Physics

01

N

G01N 30/06 (2006.01) B01D 53/02 (2006.01) B01D 53/30 (2006.01) B01J 39/04 (2006.01) G01N 1/22 (2006.01)

Patent

CA 2336031

A sampling material for a carbonyl compound in a gas comprising a reagent capable of converting a carbonyl compound to a derivative thereof supported on a cation exchanger; and a sampling cartridge for a carbonyl compound in a gas wherein a sampling material for a carbonyl compound in a gas comprising a reagent capable of converting a carbonyl compound to a derivative thereof supported on a cation exchanger is packed in a column are provided. The sampling cartridge can be used for analyzing a carbonyl compound such as formaldehyde with ease and a~ a high sensitivity and high accuracy, and has excellent storage stability.

La présente invention concerne un matériau capteur pour un composé carbonyle contenu dans un gaz. En l'occurrence, un agent capable de transformer un composé carbonyle en un de ses dérivés est fixé sur un échangeur d'ions cationiques. L'invention concerne également un tube capteur pour un composé carbonyle contenu dans un gaz, comportant un matériau capteur pour un composé carbonyle et renfermant un agent capable de transformer un composé carbonyle en un de ses dérivés, fixé sur un échangeur d'ions cationiques. Par ailleurs, on peut utiliser le tube capteur pour analyser un composé carbonyle tel que le formaldéhyde de manière facile, avec une haute sensibilité et une haute précision, et présentant une excellente stabilité de rétention.

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