发明名称 Tantalum powder reclaiming
摘要 Tantalum powders which have high oxygen, high sodium contents are reclaimed for practical applications by treating said powders with selected fused salt compositions. This process converts normally unleachable sodium metatantalate, recognized herein as a significant source of the powder's content of oxygen and sodium, to leachable forms of oxygen and sodium bearing compounds.
申请公布号 US4141720(A) 申请公布日期 1979.02.27
申请号 US19780906150 申请日期 1978.05.16
申请人 NRC, INC. 发明人 VARTANIAN, HAIG
分类号 B22F1/00;C22C1/04;(IPC1-7):B22F9/00 主分类号 B22F1/00
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