Physicochemical principles behind the preparation of high-purity arsenic compounds from lewisite detoxification products


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Abstract

High-purity arsine suitable for the growth of gallium arsenide-based epitaxial heterostructures has been prepared by processing a lewisite detoxification product: hydrolytic sodium arsenite. The proposed method involves the dissolution of hydrolytic sodium arsenite in water; electrolysis of the solution, resulting in the formation of arsenic acid and sodium hydroxide, which is subsequently used to absorb released chlorine; electrochemical arsine synthesis from the arsenic acid; and arsine purification by fractionation to a level of 99.9999%.

About the authors

V. V. Turygin

State Research Institute of Organic Chemistry and Technology

Email: fedorov@igic.ras.ru
Russian Federation, sh. Entuziastov 23, Moscow, 111024

M. K. Smirnov

State Research Institute of Organic Chemistry and Technology

Email: fedorov@igic.ras.ru
Russian Federation, sh. Entuziastov 23, Moscow, 111024

M. Yu. Berezkin

State Research Institute of Organic Chemistry and Technology

Email: fedorov@igic.ras.ru
Russian Federation, sh. Entuziastov 23, Moscow, 111024

L. A. Sokhadze

State Research Institute of Organic Chemistry and Technology

Email: fedorov@igic.ras.ru
Russian Federation, sh. Entuziastov 23, Moscow, 111024

N. P. Stepnova

State Research Institute of Organic Chemistry and Technology

Email: fedorov@igic.ras.ru
Russian Federation, sh. Entuziastov 23, Moscow, 111024

A. P. Tomilov

State Research Institute of Organic Chemistry and Technology

Email: fedorov@igic.ras.ru
Russian Federation, sh. Entuziastov 23, Moscow, 111024

V. A. Fedorov

Kurnakov Institute of General and Inorganic Chemistry

Author for correspondence.
Email: fedorov@igic.ras.ru
Russian Federation, Leninskii pr. 31, Moscow, 119991

N. A. Potolokov

Kurnakov Institute of General and Inorganic Chemistry

Email: fedorov@igic.ras.ru
Russian Federation, Leninskii pr. 31, Moscow, 119991

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