Continuous air monitoring apparatus and method

Details Continuous air monitoring apparatus and method Continuous air monitoring apparatus and method

1989-02-21

1991-05-14

Williams, Hezron E.

Measuring and testing

Gas analysis

Gas chromatography

422 89, G01N 3008

Patent

active

050145410

ABSTRACT:
A continuous air monitoring apparatus utilizes a solid sorbent preconcentrator to concentrate airborne sorbent compounds for gas chromatographic analysis. Direct connection between the preconcentrator and gas chromatographic column allows direct desorption of the compounds into the column with minimal dead space. Temperature control on the column allows sharp chromatographic peaks to be attained without cryogenic focussing.

REFERENCES:
patent: 3357232 (1967-12-01), Lauer
patent: 4805441 (1989-02-01), Sides et al.

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