Abstract
In this paper, the method of quantitative analysis by GDMS of Fe, Si, Cu, and other nine impure elements in pure magnesium was studied. The applicable method for the preparation of samples was confirmed. The isotopes, resolution, and the analysis conditions were optimized. In addition, RSF of these impure elements was obtained using standard samples in order to correct the standard RSF. The results showed that using wire cutting introduces fewer impurities. When the discharge current was 55 mA and the gas flow was 350 mL/min, matrix signal was stable and suitable. Quantitative analysis of samples with the RSF314 showed better precision and accuracy than using the standard RSF. Comparison with the results of ICP-AES, AAS, and ICP-MS, the testing results were closer to the standard value which were obtained by our studies. But our method was more convenient on sample preparation, faster analysis speed, and higher overall accuracy than other means.
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This work was financially supported by the National Natural Science Foundation of China (grant No. 51734006).
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© 2021 The Minerals, Metals & Materials Society
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Zhao, J., Wu, J., Xu, B., Yang, Q., Yang, B. (2021). Quantitative Analysis of Impurity Elements in Pure Magnesium by Glow Discharge Mass Spectrometry (GDMS). In: Miller, V.M., Maier, P., Jordon, J.B., Neelameggham, N.R. (eds) Magnesium Technology 2021. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-65528-0_26
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