Chemical Composition Nickel Cathodes (Standard AINO 849-97), %

Grade	N1	N1U	N2	N3	N4
Ni+Co, min (%)	99.93	99.95	99.8	98.6	97.6
Ni, min	99.83	99.85	99.65	97.9	96.9
Co, max	0.10	0.10	0.15	0.7	0.7
Cu, max	0.02	0.015	0.04	0.6	1.0
Fe, max	0.02	0.01	0.04	-	-
S, max	0.001	0.001	0.003	0.03	0.04
Ca, max	0.01	0.01	0.02	0.1	0.15
Si, max	0.002	0.002	0.002	-	-
Mg, max	0.001	0.001	-	-	-
P, max	0.001	0.001	-	-	-
Zn, max	0.001	0.001	0.005	-	-
As, max	0.001	0.001	-	-	-
Cd, max	0.001	0.0005	-	-	-
Sn, max	0.001	0.0005	-	-	-
Sb, max	0.001	0.0005	-	-	-
Pb, max	0.001	0.0005	0,01	-	-
Bi, max	0.0006	0.0005	-	-	-