Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-09-17
1976-12-07
Serwin, R.E.
Chemistry: physical processes
Physical processes
Crystallization
23232C, 23253PC, 73 231, G01N 3108
Patent
active
039960080
ABSTRACT:
Apparatus for detecting the amount of a specific compound in a sample. The apparatus comprises, in combination, a gas chromatograph, a cold trap and a specific gas detector. The cold trap includes means to cool the gas passing therethrough to a predetermined temperature, and means to maintain a predetermined pressure therein, whereby the chromatograph carrier gas is condensed and the gaseous effluent from the trap substantially consists of the specific gas.
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C. H. Bamford J. Chem. Soc. pp. 12-17 (1939).
Fine David H.
Lieb David P.
Rounbehler David P.
Neal James L.
Serwin R.E.
Thermo Electron Corporation
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