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2 026 821

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C1

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IPC

(21) (22)

Application

5016247/26, 1991-12-16

(22)

Actual filing date

1991-12-16

(45)

Published

1995-01-20

(72)

Inventor

Zhuravlev V.D.Abramov Ju.A.Kononchuk O.F.Cherepanov V.A.Petrov A.N.

(73)

Holder

Zhuravlev Viktor Dmitrievich

METHOD OF PREPARING OF LANTHANUM-STRONTIUM COBALTITE Russian patent published in 1995 - IPC

Abstract RU 2026821 C1

FIELD: inorganic chemistry. SUBSTANCE: lanthanum nitrate, strontium nitrate, cobalt nitrate were dissolved in water up to saturation degree, and thermolysis of solution is carried out. Temperature is 400-600 C for 4-5 h. Atmosphere - aqueous ammonia. Thermolysis product is heated up to 1000-1100 C and calcined for 15-20 h. Lanthanum-strontium cobaltite of the following composition is prepared La0,7Sr0,3CoO3. EFFECT: improved method of cobaltite preparing. 2 cl, 1 tbl

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RU 2 026 821 C1

Authors

Zhuravlev V.D.

Abramov Ju.A.

Kononchuk O.F.

Cherepanov V.A.

Petrov A.N.

Dates

1995-01-20—Published

1991-12-16—Filed

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