Inlet system for direct gas chromatographic and combined gas chr

Details Inlet system for direct gas chromatographic and combined gas chr Inlet system for direct gas chromatographic and combined gas chr

1979-02-26

1981-01-20

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

G01N 3108

Patent

active

042454948

ABSTRACT:
An apparatus for analyzing volatile components from raw or processed food products using either direct gas chromatography or combined direct gas chromatography and mass spectrometry is disclosed. An inlet assembly containing a sample is appropriately affixed to a means of supplying helium carrier gas. Volatiles are driven off the sample and fed to a condenser assembly where the moisture is removed. The resultant moisture free volatiles are fed to a gas chromatograph or combined direct gas chromatograph and mass spectrograph for analysis.

REFERENCES:
patent: 2757541 (1956-08-01), Watson et al.
patent: 3053077 (1962-09-01), Tracht
patent: 3779066 (1973-12-01), Fore et al.
patent: 4003257 (1977-01-01), Fletcher et al.
M. G. Legendre et al., "Practical Device for Unconventional Analysis of _Food Volatiles", Journal of American Oil Chemists' Society, vol. 55, pp. 243A, Mar. 1978.

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