COPPER BROMIDE HUMIDITY INDICATING CARD

COPPER BROMIDE HUMIDITY INDICATING CARD

The present invention comprises a method of humidity indication comprising providing a substrate and an area of humidity indication comprising copper bromide, bromide salt, a dye, and cellulose fiber. In another embodiment of the invention, the invention comprises a humidity indicator array comprisi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MCKEDY GEORGE E
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METEOROLOGY
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The present invention comprises a method of humidity indication comprising providing a substrate and an area of humidity indication comprising copper bromide, bromide salt, a dye, and cellulose fiber. In another embodiment of the invention, the invention comprises a humidity indicator array comprising a substrate having a plurality of areas of humidity indication on the substrate, wherein each area comprises copper bromide, dye, and bromide salt, wherein the mole ratio of bromide ions to copper ions in the area is about 7.5:1.