| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | REQUIRED CHEMICAL CONTENT OF NICKEL OXIDE SINTER,NICKEL PLUS COBALT 88.0 PCT TO 92.0 PCT MAX INPORITIES LIMITATIONS,CARBON 0.115 PCT,COBALT 1.26 PCT,COPPER 0.345 PCT,IRON 3.45 PCT,SULPHUR 0.92 PCT,ALL SINTERED NICKEL OXIDE SHALL PASS A 2 IN. SIEVE NOT MORE THAN 10 PCT BY WT WHALL PASS A 1/4 IN. US STD SIEVE SINTERED NICKEL OXIDE SHALL CONTAIN NOT LESS THAN 99 PCT BY WT OF SINTERED MATERIAL |