SOLUBILIZATION OF SULFUR IN AMMONIA AND EQUILIBRIUM COMPOSITION OF SULFUR AMMONIA SOLUTIONS

被引：3

作者：

SEELERT, S

SCHINDEWOLF, U

机构：

[1] Institut für Physikalische Chemie und Elektrochemie, Universität Karlsruhe, D-7500 Karlsruhe

来源：

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1991年 / 55卷 / 1-4期

关键词：

ANION EXCHANGE; HPLC; LIQUID AMMONIA; SULFUR; SULFUR AMMONIA SOLUTIONS; UV/VIS SPECTROSCOPY;

D O I：

10.1080/10426509108045946

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Sulfur ammonia solutions (SAS) were separated by anion exchange HPLC into the anions S4N- and S3N-, S-3 (and its dimer S26-), and SxNH2- (sulfur in oxidized, in reduced and in neutral form resp.). The analysis of the absorption spectra of SAS yields the concentrations of the individual components and leads to the assignement x = 4 in SxNH2-. The time dependence of the HPLC chromatograms and of the optical spectra of freshly prepared SAS reveals that S4NH-2 is the primary species in the dissolution process which partly disproportionates to S4N- and S3- and to S3N- as another intermediate. © 1991, Taylor & Francis Group, LLC. All rights reserved.

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页码：239 / 247

页数：9

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