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Determination of dibenzothiophene in oils by liquid chromatography—tandem mass spectrometry

Authors
Journal
Journal of Chromatography A
0021-9673
Publisher
Elsevier
Publication Date
Volume
323
Issue
1
Identifiers
DOI: 10.1016/s0021-9673(01)90368-1

Abstract

Abstract Quantitative trace analysis for organic compounds in complex matrices such as oils often requires time-consuming sample pretreatment. Two examples are shown of the use of a highly selective tandem mass spectrometer as a liquid chromatographic detector for the quantification of dibenzothiophene in a crude petroleum oil and in an alternate fuel oil. No sample preparation except an appropriate dilution was required. A preconcentrating liquid chromatography—mass spectrometry interface was used, allowing detection limits of ca. 20 ng to be attained.

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