Synthesis and Ultrapurification of Tin Diiodide


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This paper presents results of a study aimed at developing physicochemical principles of tin diiodide (SnI2) synthesis and ultrapurification by high-temperature fractional distillation. SnI2 samples were synthesized by different processes: in solution, from elemental mixtures at atmospheric pressure, and in a vacuum. Next, the samples were purified by fractional distillation in a plate column. Separation factors of difficult-to-remove impurities in the SnI2-based liquid–vapor system have been determined experimentally. We have prepared and characterized extrapure-grade SnI2 containing 10 ppm by weight of trace impurities

作者简介

M. Brekhovskikh

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

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

M. Mastryukov

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

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

P. Kornev

State Research and Design Institute for the Rare-Metals Industry

Email: mbrekh@igic.ras.ru
俄罗斯联邦, Elektrodnaya ul. 2, Moscow, 111524

A. Gasanov

State Research and Design Institute for the Rare-Metals Industry

Email: mbrekh@igic.ras.ru
俄罗斯联邦, Elektrodnaya ul. 2, Moscow, 111524

A. Kovalenko

Specialty Chemistry Research Center

Email: mbrekh@igic.ras.ru
俄罗斯联邦, Krasnobogatyrskaya ul. 42, Moscow, 107564

V. Fedorov

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

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

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