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Processes for the Preparation of High-Purity Arsenic and Its Compounds

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Abstract

This paper presents results of analysis of the patent, scientific, and technical literature concerned with the physicochemical and technological foundations of the preparation of high-purity arsenic-containing compounds from various raw materials. Considerable attention is paid to processing of unconventional raw materials (lewisite detoxification products, nonferrous metals industry waste, and III–V semiconductor materials fabrication waste). Arsenic-containing substances (elemental arsenic, arsenic trichloride, arsenic trioxide, and arsine) containing less than 1 ppm by weight of regulated impurities have been prepared and characterized.

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This work was supported by the Russian Federation Ministry of Science and Higher Education as part of the state research target for the Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences.

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Fedorov, V.A., Menshchikova, T.K., Vargunin, A.I. et al. Processes for the Preparation of High-Purity Arsenic and Its Compounds. Inorg Mater 57, 1097–1108 (2021). https://doi.org/10.1134/S0020168521110042

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