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2 115 626

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Application

96109447/25, 1996-05-06

(22)

Actual filing date

1996-05-06

(45)

Published

1998-07-20

(72)

Inventor

Tarasova L.S.Zhereb V.P.

(73)

Holder

Nauchno-Issledovatel'Skij Fiziko-Tekhnicheskij Institut Pri KrguInstitut Khimii I Khimiko-Metallurgicheskikh Protsessov So Ran

METHOD OF PREPARING POWDER OF METASTABLE CRYSTALLINE COMPOUND BiSiO Russian patent published in 1998 - IPC

Abstract RU 2115626 C1

FIELD: preparation of bismuth compounds. SUBSTANCE: method of preparing powder of metastable crystalline compound Bi2SiO5 is carried out by treating stable compound Bi12SiO5 particles with etching agent based on glacial acetic acid which contains 20% by volume of nitric acid at room temperature for 40 minutes and subsequently washing said particles in glacial acetic acid, and then in water. EFFECT: greater processibility, efficiency and lower expenses for preparing powder of metastable crystalline compound Bi12SiO20. 2 cl, 1 dwg, 1 tbl

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RU 2 115 626 C1

Authors

Tarasova L.S.

Zhereb V.P.

Dates

1998-07-20—Published

1996-05-06—Filed

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