Description CAS#: 13520-61-1 | Formula: Ni(ClO4)2.6H2O | Specifications: Chloride 0.01 % Max, Insoluble matter 0.01 % Max, Nickel content (%) 15.3 - 17.0 %, pH of 5% solution 1 - 5 pH, Sulfate 0.005 % Max