2000•Journal of South China University of TechnologyRequires access
Preparation of Fine Nickel Oxide Powder
Liu Song
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Abstract
The fine nickel oxide powder with the particle size 1～5 μm has been prepared by the oxalate precipitation_calcination method with nickel sulfate as material. The optimal process conditions have been proposed: c (NiSO 4)=0.5～1.5 mol/L, n (C 2O 2- 4)∶ n (Ni 2+ )=1.2～1.3∶1, pH=4～5, precipitation temperature is 45～55 ℃, calcination temperature 500～900 ℃, calcination time 4～6 h.