SU833538A1 - Method of producing high purity magnesium chromate - Google Patents

Method of producing high purity magnesium chromate Download PDF

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Publication number
SU833538A1
SU833538A1 SU792735253A SU2735253A SU833538A1 SU 833538 A1 SU833538 A1 SU 833538A1 SU 792735253 A SU792735253 A SU 792735253A SU 2735253 A SU2735253 A SU 2735253A SU 833538 A1 SU833538 A1 SU 833538A1
Authority
SU
USSR - Soviet Union
Prior art keywords
high purity
producing high
purity magnesium
magnesium chromate
magnesium oxide
Prior art date
Application number
SU792735253A
Other languages
Russian (ru)
Inventor
Юрий Кузьмич Кисиль
Виктор Афанасьевич Рябин
Иван Евдокимович Липинский
Алипий Александрович Виноградов
Original Assignee
Предприятие П/Я А-7125
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Filing date
Publication date
Application filed by Предприятие П/Я А-7125 filed Critical Предприятие П/Я А-7125
Priority to SU792735253A priority Critical patent/SU833538A1/en
Application granted granted Critical
Publication of SU833538A1 publication Critical patent/SU833538A1/en

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Description

(54) СПОСОБ ПОЛУЧЕНИЯ ХРОМАТА МАГНИЯ ВЫСОКОЙ ЧИСТОТЫ(54) METHOD FOR OBTAINING HIGH PURITY MAGNESIUM CHROMATE

Claims (2)

Формула изобретенияClaim 4Q 1. Способ получения хромата магния высокой чистоты путем взаимодей ствия в водной среде хромового ангидрида с окисью магния, взятой с избытком, с последующим отделением фильтрацией нерастворимого остатка от раствора продукта и сушкой продукта, отличающийся тем, что, с целью снижения содержания примесей в продукте и ускорения процесса фильтрации, окись магния используют в виде суспензии, в которую вводят хромовый ангидрид.4Q 1. A method for producing high purity magnesium chromate by reacting excess chromium anhydride in an aqueous medium with excess magnesium oxide, followed by separating by filtration of the insoluble residue from the product solution and drying the product, characterized in that, in order to reduce the content of impurities in the product and accelerate the filtration process, magnesium oxide is used in the form of a suspension into which chromic anhydride is introduced. 2. Способ по п.1, отличающийся тем, что окись магния используют с избытком 10-90% от стехиометрии .2. The method according to claim 1, characterized in that the magnesium oxide is used with an excess of 10-90% of stoichiometry.
SU792735253A 1979-03-11 1979-03-11 Method of producing high purity magnesium chromate SU833538A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792735253A SU833538A1 (en) 1979-03-11 1979-03-11 Method of producing high purity magnesium chromate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792735253A SU833538A1 (en) 1979-03-11 1979-03-11 Method of producing high purity magnesium chromate

Publications (1)

Publication Number Publication Date
SU833538A1 true SU833538A1 (en) 1981-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU792735253A SU833538A1 (en) 1979-03-11 1979-03-11 Method of producing high purity magnesium chromate

Country Status (1)

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SU (1) SU833538A1 (en)

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