Gas-Chromatographic Determination of C1-C4 Hydrocarbon Trace Impurities in Silicon Tetrafluoride

被引：0
|
作者：
V. A. Krylov
T. G. Sorochkina
机构：
[1] Lobachevski State University,Institute of Chemistry of High
[2] Russian Academy of Sciences,Purity Substances
来源：
Journal of Analytical Chemistry | 2005年 / 60卷
关键词：
Silicon; Analytical Chemistry; Hydrocarbon; Detection Limit; Test Sample;
D O I：
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中图分类号：
学科分类号：
摘要：
A procedure was developed for the gas-chromatographic determination of hydrocarbons in silicon tetrafluoride of natural and isotopically enriched compositions. For improving the efficiency of the chromatographic determination of impurities, it was proposed that the major compound be removed from the test sample with the subsequent cryofocusing of impurity hydrocarbons. The detection limits of C1-C4 hydrocarbons were 2 × 10−6−6 × 10−6 vol %.
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页码：1125 / 1128
页数：3
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