FIELD: metallurgy.
SUBSTANCE: oxide of element is mixed with reduction affinity and mixture is heated in furnace up to beginning of reducing reaction. Mixture is heated in air atmosphere during production of hydrides. Reaction product is leached, then washed and dried. Dimension of grains of source oxide is from 0.5 to 20 mcm, specific surface is from 0.5 to 20 m2/g according to BET and minimal contents is 94 wt %.
EFFECT: produced powders or hydrides possess reproducible time of combustion, specific volume, grain dimension and limit of inflammability.
21 cl, 5 ex
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