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Capillary gas chromatography with two new moderately high temperature phases.Gas chromatography test results are presented for two new moderately high-temperature phases of Dexsil 400-GC with free hydroxyl end groups (uncapped) and with end groups covered by trimethyl silyl groups (capped). The two Dexsil 400-GC phases were tested for their ability to resolve N-TFA-DL-(+)-2-butyl esters and n-butyl esters, as well as fatty acid methyl esters and hydrocarbon standards. Generally the more polar uncapped phase was superior to the capped phase in all separation comparisons, except for the hydrocarbons.
Document ID
19720043559
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Pollock, G. E.
(NASA Ames Research Center Moffett Field, Calif., United States)
Date Acquired
August 6, 2013
Publication Date
March 1, 1972
Publication Information
Publication: Analytical Chemistry
Volume: 44
Subject Category
Chemistry
Accession Number
72A27225
Distribution Limits
Public
Copyright
Other

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