Chemistry: physical processes – Physical processes – Crystallization
Patent
1977-07-05
1978-10-10
Reese, Robert M.
Chemistry: physical processes
Physical processes
Crystallization
23232R, 356187, 422 89, 422 94, G01N 2158
Patent
active
041194047
ABSTRACT:
A flame photometric detector for use with a gas chromatograph comprises a burner to produce a cool hydrogen flame and excite molecules of the gas sample to emit light characteristic thereof, a transparent chimney surrounding the burner and flame to enhance characteristic light emission, a selective light filtering means, and sensing means positioned so as to exclude the flame from its sensing area. The device and method of operation are characterized by a substantially broader range of detection and measurement than is possible with present commercially available equipment.
REFERENCES:
patent: 3423181 (1969-01-01), Dimick et al.
patent: 3486827 (1969-12-01), Binek et al.
patent: 3489498 (1970-01-01), Brody et al.
Brody et al., J. Gas Chromat. 4, 42 (1966).
Core Laboratories, Inc.
Reese Robert M.
Robinson, Jr. Lee C.
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