Effect of Selective Excitation of Gold Atoms in a Nonequilibrium Oxygen Plasma of a Combined Glow Discharge

被引：0
|
作者：
V. A. Lyubochko
机构：
[1] Siberian Branch of the Russian Academy of Sciences,Institute of Chemistry and Chemical Technology
来源：
Journal of Applied Spectroscopy | 2003年 / 70卷 / 3期
关键词：
atomic emission analysis; combined glow discharge (CGD); matrix; alumina oxide; selective excitation; plasmachemical reactions; atomization; sulfide ore; gold; platinum metals;
D O I：
10.1023/A:1025166413093
中图分类号：
学科分类号：
摘要：
The effect of selective excitation of gold atoms in a nonequilibrium oxygen plasma of a combined glow discharge (CGD) has been revealed. When working with alumina oxide as a matrix where the content of aluminum is about 30 wt.%, the atomic lines of Al are not seen at all in the CGD spectrum. But the atomic lines of gold have a very high intensity. Even when the aluminum and gold atomic lines overlap, gold can be detected at a content of 10−7%. This effect has been registered both in synthetic and natural ore samples.
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页码：486 / 488
页数：2
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