Chemical switch for detection of chemical components

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Corrosion tester

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422 8202, 422 90, G01N 2712

Patent

active

058913955

ABSTRACT:
A chemical switch device comprising a film which irreversibly reacts upon exposure to specific chemical components in the environment under the conditions of measurement. The reactions can lead to large changes in the physical and chemical properties of the film which are measurable electrically, optically or by other methods.

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