Small-scale and rapid quantitative analysis of phenols and carbazoles in sedimentary matter

A rapid small-scale method for the quantitative analysis of alkylphenols, alkylcarbazoles and benzocarbazoles from sedimentary matter is described using silica gel liquid chromatography and GC-MS techniques. Alkylphenol, alkylcarbazole and benzocarbazole components of crude oils can be easily, rapid...

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Bibliographic Details
Published in:Organic geochemistry 2003-08, Vol.34 (8), p.1113-1127
Main Authors: BASTOW, Trevor P, VAN AARSSEN, Ben G. K, CHIDLOW, Geoff E, ALEXANDER, Robert, KAGI, Robert I
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochemistry
Hydrocarbons
Sedimentary rocks
Soil and rock geochemistry
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Summary:A rapid small-scale method for the quantitative analysis of alkylphenols, alkylcarbazoles and benzocarbazoles from sedimentary matter is described using silica gel liquid chromatography and GC-MS techniques. Alkylphenol, alkylcarbazole and benzocarbazole components of crude oils can be easily, rapidly and economically separated from saturated and aromatic hydrocarbons using silica gel, as a stationary phase, and disposable glassware such as Pasteur pipettes (sample sizes up to 100 mg). Analysis of these components was performed using GC-MS without any further derivatisation. This method affords rapid sample processing with accurate quantification of carbazoles, benzocarbazoles and alkylphenols suitable for routine use in petroleum geochemistry.
ISSN:0146-6380
1873-5290
DOI:10.1016/S0146-6380(03)00066-4