Assay for aldehyde content

G - Physics – 01 – N

Patent

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G01N 33/52 (2006.01) G01N 31/22 (2006.01)

Patent

CA 2349098

A composition, method, and device for quantitatively determining the concentration of an aldehyde in a sample are disclosed. The device includes a test pad having a suitable carrier matrix incorporating an indicator reagent composition capable of interacting with an aldehyde group in a compound to produce a detectable and measurable response for aldehyde or dialdehyde compound. The indicator reagent composition can be incorporated into a carrier matrix, like filter paper, to provide a test pad useful in a dry phase aldehyde assay of a sample, especially for samples containing a high concentration of glutaraldehyde or formaldehyde.

On divulgue une préparation, une méthode et un dispositif permettant de déterminer quantitativement la concentration d'un aldéhyde dans un échantillon. Le dispositif comprend un tampon d'analyse garni d'une matrice adéquate comme vecteur, comportant une composition de réactif indicateur capable d'interagir avec un groupement aldéhyde, dans un composé, pour produire une réponse détectable et mesurable de l'aldéhyde ou du dialdéhyde. L'indicateur peut être intégré dans la matrice servant de vecteur, comme un papier filtre, ce qui procure un tampon d'analyse utilisable pour la mesure d'un aldéhyde à l'état sec dans un échantillon, surtout pour les échantillons renfermant une forte concentration de glutaraldéhyde ou de formaldéhydes.

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