Molecular Composition of Organic Impurities in Extrapure Sulfur

被引：3
|
作者：
Churbanov, M. F. [1 ]
Snopatin, G. E. [1 ]
Sozin, A. Yu. [1 ]
Skripachev, I. V. [1 ]
机构：
[1] Russian Acad Sci, Devyatykh Inst Chem High Pur Subst, Ul Tropinina 49, Nizhnii Novgorod 603950, Russia
来源：
INORGANIC MATERIALS | 2017年 / 53卷 / 09期
关键词：
sulfur; purification; hydrocarbons impurities;
D O I：
10.1134/S0020168517090047
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have determined the molecular composition of organic impurities in extrapure sulfur obtained by the distillation purification of sulfur recovered from gaseous hydrocarbons. Using vacuum extraction, we obtained a concentrate of impurities highly volatile compared to the major component. Gas chromatography/mass spectrometry analysis indicated the presence of impurities in the form of hydrocarbons with up to eight carbon atoms and their thio, oxy, and nitro derivatives. The detection of this group of impurities accounts for the distinctive features of the preparation of sulfur with low carbon and oxygen contents through ultrapurification of gas-derived sulfur.
引用
收藏
页码：969 / 972
页数：4
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