NICKEL %Ni %C %Fe Other Electrolytic Nickel 4" x 4" Cathodes 99.8 Min .01 .002 Cu .005 Nickel Briquettes 1-1/2" x 5/8" 99.8 Min .03 Max .02 Max Cu .02 Max Nickel Discs* 3/4" x 1/4" 99.8 Min .03 Max .006 Max Cu .0001 Max S .0003 Max Nickel Pellets* 1/4" x 1/2" 99.9 Min .01 Max .002 Cu .00005 Max F Ni...