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> |