Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1982-08-05
1984-05-08
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
73 23, 338 34, 422 95, 422 97, 436127, 436142, G01N 2716
Patent
active
044473974
ABSTRACT:
A reference element for a catalytic gas sensor with improved life in the presence of combustible gases is described. The sensor comprises a filament such as a platinum-iridium alloy coated with a layer of titanium dioxide. The coating typically contains a high temperature stable inorganic binder such as aluminum oxide. The filament can be in coil-form pre-encased in a glass bead. Such sensor has long term stability in the presence of combustible organic gases such as alkenes, alkadienes, alkynes, and epoxide containing hydrocarbon gases, for example. Sensors containing such elements have particular utility in the area of mining and oil drilling environments, as well as industrial, safety, and commercial applications.
REFERENCES:
patent: 3092799 (1963-06-01), Baker
patent: 4045177 (1977-08-01), McNally
patent: 4068021 (1978-01-01), Allman
patent: 4355056 (1982-10-01), Betta et al.
Anouchi Abraham Y.
Novack Robert L.
Tomasovic Beth
Bacharach Instrument Company
Gwinnell Harry J.
Gzybowski Michael S.
Marcus Michael S.
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