Cobalt sulfate (powder) Indexno.1no.2 Assay (co)33 min35 min Cl0.1 max0.1 max Ni0.1 max0.1 max Pb0.005 max0.005 max As0.002 max0.002 max Cd0.002 max0.002 max Hg0.002 max0.002 max Sb0.002 max0.002 max Size (through 100 mesh)95 min95 min 25kg net, paper/pe complex bags with double pe inners.