Evaluation of improved ultrasonic nebulizer for miniature simultaneous microwave plasma torch spectrometer

被引：3
|
作者：
Feng, GD [1 ]
Jiang, J [1 ]
Huan, YF [1 ]
Zheng, J [1 ]
Li, M [1 ]
Cao, YB [1 ]
Jin, QH [1 ]
Yu, AM [1 ]
机构：
[1] Jilin Univ, Dept Analyt Chem, Coll Chem, Changchun 130021, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2006年 / 22卷 / 03期
关键词：
microwave plasma torch; miniature simultaneous spectrometer; ultrasonic nebulizer; automatic introduction system;
D O I：
10.1016/S1005-9040(06)60102-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new automatic sample solution introduction system for miniature simultaneous microwave plasma torch( MPT) atomic emission spectrometer was developed. The operating parameters were optimized. The detection limits of the spectrometer with an ultrasonic nebulizer for Ag, Al, Ba, Ca, Cr, Cu, Fe, Mg, Mn, Sr, and V are 5-10 times lower than those obtained with a pneumatic nebulizer and are also lower than those obtained by a Model JX-1010 MPT spectrometer. Two practical samples were analyzed to test the reliability and sensitivity of the system.
引用
收藏
页码：297 / 301
页数：5
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