发明名称 Extraction of nickel - from scrap or ore by pptn from phosphoric acid complex
摘要 <p>Prepn. of Ni powder according to the parent patent 1,551,737 whereby a reducing gas is made to contact an organic liquid medium contg. in soln. a Ni complex or extraction product formed with alkylphosphoric acid at not >170 degrees C and the Ni is pptd. Higher yields (=98% at 140 degrees C) are obtd. than with the process described in the parent patent (50%).</p>
申请公布号 FR2128548(A2) 申请公布日期 1972.10.20
申请号 FR19720007279 申请日期 1972.03.02
申请人 NATIONAL RESEARCH DEVELO 发明人
分类号 C22B3/38;(IPC1-7):22B23/00 主分类号 C22B3/38
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