Direct determination of trace impurities in high purity zinc oxide by high resolution inductively coupled plasma mass spectrometry

被引：0
作者：
Xie H. [1 ]
Nie X. [2 ]
Li L. [2 ]
Song C. [2 ]
机构：
[1] Department of Chemistry, Hunan Institute of Technology
[2] College of Chemistry and Chemical Engineering, Central South University
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2006年 / 21卷 / 2期
关键词：
High purity zinc oxide; High resolution inductively coupled plasma mass spectrometry; Microwave digestion; Spectral interferences; Trace impurities;
D O I：
10.1007/BF02840833
中图分类号：
学科分类号：
摘要：
The determination of trace impurities in high purity zinc oxide by high resolution inductively coupled plasma mass spectrometry (HR-ICP-MS) was investigated. To overcome some potentially problematic spectral interference, measurements were acquired in both middle and high resolution modes. The matrix effects due to the presence of excess HCl and zinc were evaluated. The optimum conditions for the determination were tested and discussed. The standard addition method was employed for quantitative analysis. The detection limits ranged from 0.02 μg/g to 6 μg/g depending on the elements. The experimental results for the determination of Na, Mg, Ca, Cr, Mn, Fe, Co, Ni, Cu, Mo, Cd, Sb and Pb in several high purity zinc oxide powders were presented.
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页码：28 / 32
页数：4
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