Sl No.

Parameters

1

Assay as Nickel + Cobalt

Min 58% (incl. Cobalt min 1%)

2

Moisture Content

3 – 5%

3

Sulphate (So4 2-)

1.00% max

4

Carbonates (Co3 2-)

0.50% max

5

Iron as Fe

100 ppm max

6

Copper as Cu

50 ppm max

7

Zinc as Zn

50 ppm max

8

Calcium as ca

100 ppm max

9

Other metallic impurities

< 100 ppm

10

Particle Size

a)     Mean particle Size

b)     > 100 microns

     c) < 10 microns

50 microne

15% max

  0%