HIGH-BOILING AROMATIC-HYDROCARBONS CHARACTERIZED BY LIQUID-CHROMATOGRAPHY THERMOSPRAY MASS-SPECTROMETRY

被引：40

作者：

HSU, CS

QIAN, K

机构：

[1] Exxon Research and Engineering Co., Annandale, New Jersey 08801

[2] W.R. Grace & Co., Washington Research Center, Columbia, MD 21044

来源：

ENERGY & FUELS | 1993年 / 7卷 / 02期

关键词：

D O I：

10.1021/ef00038a017

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Thermospray (TSP) extends the hydrocarbon characterization by on-line liquid chromatography-mass mass spectrometry (LC/MS) into petroleum fractions with boiling points greater than 1050-degrees-F. Coupled with normal-phase liquid chromatography, TSP selectively ionizes aromatic hydrocarbons by protonation, leaving saturated hydrocarbons largely un-ionized. Thus, LC/TSP/MS facilitates the determination of molecular weight and, to some extent, compound type distributions of aromatic hydrocarbons in petroleum residua.

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页码：268 / 272

页数：5

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