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When compared to the classical silica gel/alumina column chromatographic method, the neutral alumina procedure, recently validated for the isolation of organic nitrogen fractions from crude oils/rock extracts, appears to yield severely altered distributions for many classes of monoaromatic hydrocarbons in the aromatic hydrocarbon fraction. The potential analytical sequestration, if not recognized, could lead to erroneous geochemical interpretations. (C) 2000 Published by Elsevier Science Ltd. All rights reserved.
Author(s): Jiang CQ, Li MW, van Duin ACT
Publication type: Article
Publication status: Published
Journal: Organic Geochemistry
Print publication date: 01/01/2000
ISSN (print): 0146-6380
ISSN (electronic): 1873-5290
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