Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
ANALYSIS OF PETROLEUM SULFONATES IN CRUDE OIL WITH MULTI-DIMENSIONAL HPLC
SHENGXIANG JIANGLIREN CHEN
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1991 Volume 7 Issue Supple Pages 129-131

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Abstract

A multi - dimensional high performance liquid chromatography for the determination of trace petroleum sulfonates in crude oil is presented in this paper. Two columns are used; a reversed-phase column and an anion-exchange one. Good separation of crude oil, petroleum mono-selfonate and petroleum disulfonate can be obtained within 8 minutes, with recoveries between 96-106%. The minimum detection limits are; 50ppm for mono-sulfonate and 10ppm for disulfonate.

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