Organic-based oxygen scavenger/indicator

Details Organic-based oxygen scavenger/indicator Organic-based oxygen scavenger/indicator

G - Physics

01

N

G01N 31/22 (2006.01)

Patent

CA 2629265

The invention relates to an oxygen scavenger/indicator which contains at least one substance having combined scavenging and indicating function for oxygen and being capable of absorbing oxygen under the effect of moisture in alkaline conditions, and at least one alkaline compound. The indicator effect is caused by a change in at least one physical property of the substance having combined scavenging and indicating function for oxygen, the change being initiated by the effect of moisture.

L'invention concerne un capteur/indicateur d'oxygène contenant au moins une substance présentant une fonction combinée de capteur/indicateur d'oxygène, pouvant absorber de l'oxygène sous l'effet de l'humidité dans des conditions basiques, ainsi qu'au moins un composé réagissant de façon basique. L'effet indicateur est obtenu par modification d'au moins une propriété physique de la substance présentant une fonction combinée de capteur/indicateur d'oxygène, cette modification étant déclenchée par l'action de l'humidité.

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