Polycyclic aromatic sulfur heterocycles in desulfurized diesel fuels and their separation on a novel palladium(II)-complex stationary phase

被引：40

作者：

Schade, T ^{[1
]}

Roberz, B ^{[1
]}

Andersson, JT ^{[1
]}

机构：

[1] Univ Munster, Dept Analyt Chem, D-48149 Munster, Germany

来源：

POLYCYCLIC AROMATIC COMPOUNDS | 2002年 / 22卷 / 3-4期

关键词：

desulfurization; diesel fuel; HPLEC; Pd-ACDA-silica gel; separation of PAH/PASH;

D O I：

10.1080/10406630290026975

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The lowering of the legal concentration of sulfur in fuels (in the European Union from 150 ppm at present to 50 ppm in 2004) not only affects the concentration but also the pattern of the polycyclic aromatic sulfur heterocycles (PASH) in the fuels. This pattern was studied for 12 diesel samples, most of which have been desulfurized. A separation of the PASHs and the polycyclic aromatic hydrocarbons becomes necessary at such sulfur levels. An efficient liquid chromatographic method for this is presented and involves a Pd(II)-containing complex based on 2-amino-1-cyclopentene-1-dithiocarboxylate covalently bonded to silica. The resultant PASH fraction can be analyzed by gas chromatography/flameionization detection.

引用

页码：311 / 320

页数：10

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