Use of vapor-phase sources of gas mixtures for calibration and verification of analytical equipment in measuring the content of volatile substance impurity content

被引:0
|
作者
A. G. Vitenberg
A. S. Pichugina
Yu. G. Dobryakov
机构
[1] St. Petersburg State University,
[2] Monitoring Company,undefined
[3] Mendeleev All-Russia Research Institute of Metrology (VNIIM),undefined
来源
Measurement Techniques | 2009年 / 52卷
关键词
gas mixture; vapor-phase analysis; gas extraction; heterophase equilibrium; buffer effect of heterogeneous systems; gas chromatography;
D O I
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中图分类号
学科分类号
摘要
New devices are developed for preparing stable gas mixtures with a microconcentration of volatile substance vapors, i.e., vapor-phase sources of gas mixtures that have passed state certification and registration in the State Register for Means of Measurement. The main characteristics of these sources, methods and procedures for their use, and also an assortment of prepared gas mixtures are provided.
引用
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页码:1372 / 1379
页数:7
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