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Precolumn for extract concentrationAUDRI requires test sample separation into organic compound families for subsequent insertion into several parallel chromatographs. Sample is first extracted by selective organic solvents. Solvent is then removed from extract to increase extract-to-solvent ratio, increasing system sensitivity. Backflushing of precolumn serves as cleanser.
Document ID
19760000199
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Jahnsen, V. J.
Bloom, W. G.
Date Acquired
August 8, 2013
Publication Date
August 1, 1976
Publication Information
Publication: NASA Tech Briefs
Volume: 1
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-13083
Accession Number
76B10199
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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