Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Corrosion tester
Patent
1995-06-07
1999-11-16
Snay, Jeffrey
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Corrosion tester
422 61, 422 88, G01N 1704
Patent
active
059852135
ABSTRACT:
When adsorbed gas is analyzed after metal, ceramics or metallic salt has been left in an environmental atmosphere for a predetermined period of time, an average concentration of specific gas over a long period of time can be accurately measured with an inexpensive small apparatus. Especially, porous metal or ceramics (transition metal oxide) are excellent in selective adsorption properties for NO.sub.x, porous ceramics (rare earth element oxide) are excellent in selective adsorption properties for CO.sub.2, and a specific chloride such as copper chloride and silver chloride is excellent in selective adsorption properties for SO.sub.2. A test kit accommodating such test pieces in a case, a protective case for the test kit to put the test kit into practical use, an umbrella and a forced air blowing unit are also disclosed.
REFERENCES:
patent: 3329004 (1967-07-01), King, Jr.
patent: 4235098 (1980-11-01), Tisch
patent: 4508624 (1985-04-01), Nagata
patent: 4759210 (1988-07-01), Wohltjen
patent: 4869874 (1989-09-01), Falat
Patent Abstracts of Japan, vol. 13, No. 138 (P-852) Apr. 6, 1989 & JP-A-63 305232 (Fujitsu Ltd) Dec. 13, 1988.
Fukushima Shigeru
Furusawa Takashi
Iikawa Tsutomu
Itabashi Mayumi
Kitakohji Toshisuke
Fujitsu Limited
Snay Jeffrey
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