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2 105 828

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C1

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Application

96112475/25, 1996-06-18

(22)

Actual filing date

1996-06-18

(45)

Published

1998-02-27

(72)

Inventor

Semenov V.Ja.Govorin V.A.Kashevskij A.V.Litvinenko V.G.Gorbunov V.A.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Tekhnicheskij Tsentr

METHOD OF PREPARING ELECTROLYTIC MANGANESE DIOXIDE Russian patent published in 1998 - IPC

Abstract RU 2105828 C1

FIELD: preparation of inorganic compounds. SUBSTANCE: manganese carbonate is dissolved by sulfuric acid, purified from impurities, and manganese dioxide is electrolytically precipitated. According to invention, as manganese carbonate, its chemical concentrate is utilized, dissolution of concentrate by sulfuric acid is conducted at pH 6.0-6.5, and electrolytic manganese dioxide precipitate is additionally activated by nitric acid treatment. EFFECT: improved procedure. 3 cl

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RU 2 105 828 C1

Authors

Semenov V.Ja.

Govorin V.A.

Kashevskij A.V.

Litvinenko V.G.

Gorbunov V.A.

Dates

1998-02-27—Published

1996-06-18—Filed

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