| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | REQUIRED CHEMICAL CONTENT OF NICKEL OXIDE POWDER,NICKEL PLUS COBALT 76.50 PCT MIN MAX IMPORITIES LIMITATIONS,CARBON0.10 PCT,COBALT 1.00 PCT,COPPER 0.30 PCT,IRON 0.50 PCT,SULPHUR 0.05 PCT,PARTICLE SIZE,A/A |