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2 026 159

(13)

C1

(51)

IPC

(21) (22)

Application

5005952/02, 1991-07-01

(22)

Actual filing date

1991-07-01

(45)

Published

1995-01-09

(72)

Inventor

Pan'Kov Vladimir Vasil'Evich[By]Fomenko Georgij Vasil'Evich[By]Alinovskaja Lina Aleksandrovna[By]Kovaleva Larisa Vasil'Evna[By]Bogush Anatolij Kandrat'Evich[By]

(73)

Holder

Institut Fiziki Tverdogo Tela I Poluprovodnikov An Belarusi

METHOD FOR PRODUCTION OF POWDER OF BARIUM HEXAFERRITE Russian patent published in 1995 - IPC

Abstract RU 2026159 C1

FIELD: production of barium hexaferrite powder. SUBSTANCE: method for production of powder of barium hexaferrite consists in synthesis of powder by method of coprecipitation. Iron solution is prepared from salt FeCl3·6H2 by dissolving it in 0.5-0.7-M HCI. Iron content is controlled by titrimetry. Hydroxy carbonates of ferrite-forming elements are precipitated at pH 7-7.8. EFFECT: higher efficiency. 2 tbl

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RU 2 026 159 C1

Authors

Pan'Kov Vladimir Vasil'Evich[By]

Fomenko Georgij Vasil'Evich[By]

Alinovskaja Lina Aleksandrovna[By]

Kovaleva Larisa Vasil'Evna[By]

Bogush Anatolij Kandrat'Evich[By]

Dates

1995-01-09—Published

1991-07-01—Filed

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