Abstract
Abstract Samples of initially sintered V 2 O 5 were dissolved in concentrated solutions of oxalic acid and hydrogen peroxide. Disperse V 2 O 5 was synthesized by thermal decomposition of the intermediate dissolution products. Decomposition at different temperatures showed that with rising temperature the specific surface area passed through a maximum. The V 2 O 5 formed during the decomposition of the intermediate oxalates had a five times larger specific surface area (55.0 m 2 g −1 ) than that of V 2 O 5 prepared by decomposition of the intermediate peroxide complex.
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