Integrated chemical indicator device

Details Integrated chemical indicator device Integrated chemical indicator device

G - Physics

01

N

G01N 31/22 (2006.01) G01N 21/78 (2006.01)

Patent

CA 2693955

A chemical indicator device for use in detecting exposure to an oxidizing agent, such as hydrogen peroxide, comprising a substrate or support upon which is disposed a chemical indicator composition (ink) for detecting an oxidizing agent, such as hydrogen peroxide. The chemical indicator composition further comprises an indicator dye that achieves a distinct range of different color changes with clear transitions between colors, upon exposure to different doses of the oxidizing agent, thus allowing for both a qualitative and semi-quantitative assessment of exposure to the agent.

L'invention concerne un dispositif à indicateur de produit chimique destiné à être utilisé dans la détection d'une exposition à un agent oxydant, tel que du peroxyde d'hydrogène. Le dispositif comporte un substrat ou un support sur lequel est disposée une composition indicatrice de produit chimique (une encre) pour détecter un agent oxydant, tel que du peroxyde d'hydrogène. La composition indicatrice de produit chimique comprend, de plus, un colorant indicateur qui dont la plage de couleur à transitions nettes change selon la dose d'agent oxydant a laquelle il est exposé, ce qui permet d'évaluer l'exposition à l'agent et qualitativement et semi-quantitativement.

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