摘要
用石墨粉抑制WO3蒸发和用7种载体物质促进杂质元素蒸发以及增强谱线强度的效果,选择了最佳的载体和光谱测定条件,一次摄谱同时测定高纯WO3中20种杂质元素。
The mechanisms of the prevention to the vaporization of WO3 by graphite powder and promotion to the vaporization of all determined impurity elements by Li2CO3 were studies in this paper.The results show,when WO3/C=2/1(w/w),4%(w%)Li2CO3,current intensity 12A,exposure 40s,then the 20 kinds of determined impurity elements can be easily determined in the high-purity WO3 by conventional d.c. exitation with 31WⅡmodel grating spectrometer.
出处
《龙岩学院学报》
2005年第3期96-98,共3页
Journal of Longyan University
关键词
WO3
光谱法
纯度分析
WO_3
Spectrographic analysis
Purity analysis
