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2 151 103

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IPC

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Application

99118893/12, 1999-09-07

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Start date

1999-09-07

(22)

Actual filing date

1999-09-07

(45)

Published

2000-06-20

(72)

Inventor

Gajsin L.G.Karimov Ja.M.Akhmetov T.G.Porfir'Eva R.T.

(73)

Holder

Gajsin Lenar GajnullovichKarimov Jagafar MukhtarovichAkhmetov Timerkhan GabdullovichPorfir'Eva Rezida Timerkhanovna

METHOD OF PREPARING BARIUM HYDROXIDE MONOHYDRATE Russian patent published in 2000 - IPC

Abstract RU 2151103 C1

FIELD: inorganic chemical technology of barium compound, more particularly preparation of barium hydroxide monohydrate. SUBSTANCE: method comprises preparation barium hydroxide monohydride or barium hydroxide octahydrate by treating it in vacuum drier at constant rarefaction within 0.15- 0.20 atm gauge at temperatures from 70 to 94 C followed by cooling and sifting. Said method makes it possible to prepare the desired barium hydroxide monohydrate with minimum barium carbonate content. EFFECT: more efficient preparation method. 2 ex

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RU 2 151 103 C1

Authors

Gajsin L.G.

Karimov Ja.M.

Akhmetov T.G.

Porfir'Eva R.T.

Dates

2000-06-20—Published

1999-09-07—Filed