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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Authors
Dates
1995-01-20—Published
1991-12-16—Filed