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Determination of Sulfur-Containing Compounds in Diesel Oils by Comprehensive Two-Dimensional Gas Chromatography With a Sulfur Chemiluminescence Detector

Determination of Sulfur-Containing Compounds in Diesel Oils by Comprehensive Two-Dimensional Gas Chromatography With a Sulfur Chemiluminescence Detector

Ruixiang Hua, Yanyan Li, Wei Liu, Jincheng Zheng, Haibo Wei, Jinghua Wang, Xin Lu, Hongwei Kong, Guowang Xu

J Chromatogr A. 2003 Nov 26;1019(1-2):101-9.

PMID: 14650608

Abstract:

This article reports an analytical method for separating, identifying and quantitating sulfur-containing compounds and their groups in diesel oils (170-400 degrees C) using comprehensive two-dimensional gas chromatography coupled with a sulfur chemiluminescence detector. The identification of target compounds and their groups was based on standard substances, the group separation feature and tile-effect of comprehensive two-dimensional gas chromatography. The quantitative analysis on major sulfur compounds and total sulfur was carried out based on the linear response of sulfur chemiluminescence detector and the internal standards method. The results of total sulfur determination in the samples were compared with those from ASTM D 4294 standard method, the R.S.D. percentage were <6.02%, correctness of this method can meet the industrial requirement. To the end, the method developed was used to investigate the sulfur-containing compounds in different diesel oils, the result shows that the distribution of sulfur-containing compounds in diesel oils from different process units are apparently different. The sulfur compounds in fluid catalytic cracking (FCC), residuum fluid catalytic cracking (RFCC) diesel oils mainly exist in the form of alkyl-substituted dibenzothiophenes that add up to about 40-50% of the total sulfur, while this number is only 6-8 and 20-28% in visbreaking (VB) and delayed-coking (DC) diesel oils, respectively.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS212772	Sulfur in Diesel			Price

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