Continuous air monitoring apparatus and method
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United States of America Patent
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May 14, 1991
Issued Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Feb 22, 1988
priority date (Note) -
Expired
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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.
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