Physicochemical and Methodological Approaches to the Development of Integrated Processes for the Preparation of High-Purity Substances


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This paper summarizes results of studies aimed at developing physicochemical and scientific methodological principles of the preparation of high-purity substances by integrated technological processes. We rely on the identification and chemical transformations of impurities in the recovery from raw materials, synthesis, and ultrapurification of substances by various methods. A scientific methodological approach has been developed for choosing and substantiating integrated processes for the preparation of extrapure-grade (6N or 7N) compounds with a total content of trace impurities from 0.1 to 1 ppm by weight from standard and unconventional raw materials. We have obtained batches of high-purity arsenic- and gallium-containing substances and tested them in the technology of advanced microelectronic and optical materials.

作者简介

V. Fedorov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

编辑信件的主要联系方式.
Email: fedorov@igic.ras.ru
俄罗斯联邦, Leninskii pr. 31, Moscow, 119991

N. Potolokov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: fedorov@igic.ras.ru
俄罗斯联邦, Leninskii pr. 31, Moscow, 119991

T. Menshchikova

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: fedorov@igic.ras.ru
俄罗斯联邦, Leninskii pr. 31, Moscow, 119991

M. Brekhovskikh

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: fedorov@igic.ras.ru
俄罗斯联邦, Leninskii pr. 31, Moscow, 119991

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