AN INVESTIGATION OF THE USE OF SIZE EXCLUSION CHROMATOGRAPHY FOR THE DETERMINATION OF MOLAR MASS DISTRIBUTIONS AND FRACTIONATION OF COAL TARS

被引：13
|
作者：
EVANS, N
HALEY, TM
MULLIGAN, MJ
THOMAS, KM
机构：
[1] British Gas, London, Engl, British Gas, London, Engl
来源：
FUEL | 1986年 / 65卷 / 05期
关键词：
COAL BYPRODUCTS - Analysis;
D O I：
10.1016/0016-2361(86)90366-2
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：
The use of size exclusion chromatography (SEC) for the determination of molar mass distribution and fractionation of coal tars has been investigated. The construction of a calibration graph based on typical components of the tars for use in the determination of molar mass distribution has revealed anomalously low retention volumes for phenols and amines when THF is used at the mobile phase. Consequently the molar mass distribution for a tar with a high phenolic content was not reliable when determined in THF but chloroform was shown to be a suitable solvent for this purpose.
引用
收藏
页码：694 / 703
页数：10
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