POTENTIAL BIAS IN THE ISOLATION OF PYRIDINIC NITROGEN FRACTIONS FROM CRUDE OILS AND ROCK EXTRACTS USING ACID EXTRACTION AND LIQUID CHROMATOGRAPHY

POTENTIAL BIAS IN THE ISOLATION OF PYRIDINIC NITROGEN FRACTIONS FROM CRUDE OILS AND ROCK EXTRACTS USING ACID EXTRACTION AND LIQUID CHROMATOGRAPHY

Li M.; Larter S.R.
xmlui.dri2xhtml.METS-1.0.item-citation: Organic Geochemistry, 2001, 32, 8, 1025-1030
Date: 2001

Abstract:

Simple mineral acid extraction and open column chromatographic methods commonly used to isolate pyridinic nitrogen fractions from crude oil and rock extract appear to yield severely altered distributions of alkylquinolines and benzoquinolines. This potential analytical bias, if not recognized, could lead to incorrect geochemical interpretations.

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