Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1993-07-26
1994-11-15
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 55, 422 57, 422 58, 422 86, 422 83, 422 88, 435807, 436165, 436169, 436170, 436805, G01J 148
Patent
active
053645936
ABSTRACT:
A direct-read exposimeter for providing a visual, graded measurement of color variation corresponding to different ranges of dosage exposure to a polluting gas in the atmosphere over a given time period. The exposimeter includes a color-forming member and at least one gas-diffusion control member within an enclosure formed between a base and a cover. The cover has a number of openings exposed to the atmosphere in alignment with a number of separate diffusion zones formed in the gas-diffusion control member.
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Kirollos Kirollos S.
Lockerby Kevin L.
Mihaylov Gueorgui M.
Housel James C.
Le Long V.
Lieberstein E.
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