Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1995-09-13
1997-01-07
Bhat, Nina
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 89, 422 93, 422 94, 422108, 73 2322, 73 2326, 73 2341, 73 2342, G01N 3112, G01N 3002, G05D 900
Patent
active
055914063
ABSTRACT:
An automatic exhaust gas analyzer for analyzing an exhaust gas of an internal combustion engine. The analyzer includes: a) plural analyzing units; b) two independent gas lines provided in each of the plural analyzing units; c) a gas-chromatographic column provided in each of the gas lines; d) a gas-chromatographic detector connected with the column in each of the gas lines; and e) a signal communication network interconnecting the gas-chromatographic detectors. Exhaust gas and the background gas are sampled at each stage of a predetermined run cycle, and are provided immediately to the two independent gas lines of the plurality of analyzing units respectively. Then the exhaust gas and background gas are analyzed in parallel in each of the plurality of analyzing units, which facilitates equalizing the measurement conditions of the two gases and the background correction of the measurement results of the exhaust gas can be made at high precision.
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Aono Akira
Hirai Kenji
Kaburagi Haruko
Matsumoto Hirokazu
Shiina Takanori
Bhat Nina
Honda Giken Kogyo Kabushiki Kaisha
Shimadzu Corporation
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