Abstract
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 0.02μg/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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Funded by the Hunan Provincial Natural Science Foundation of China (No. 02JJY3007, 03JJY5001)
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Hualin, X., Xidu, N., Libo, L. et al. Direct determination of trace impurities in high purity zinc oxide by high resolution inductively coupled plasma mass spectrometry. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 21, 28–32 (2006). https://doi.org/10.1007/BF02840833
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DOI: https://doi.org/10.1007/BF02840833