Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1993-02-25
1994-09-13
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 83, 436134, G01N 3100, G01N 3300
Patent
active
053466713
ABSTRACT:
A molybdenum, tungsten or vanadium salt-palladium, ruthenium or osmium salt solution for CO detection is made reversible by addition of ferric, chromium (VI) or cerium (IV) ion. The system is made more CO specific by adding an interference control salt which forms white or colorless precipitates with interfering species. The operational and shelf life are extended by a mixture of counterions; the acetate counterion is particularly useful.
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Ejiofor Chuka H.
Goswami Kisholoy
Klainer Stanley M.
Saini Devinder P. S.
Carpenter Robert
FCI - FiberChem, Inc.
Sartorio Henry P.
Warden Robert J.
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