Nickel sulphate for nickel plating,Nickel sulfate hexahydrate,nickel sulphate,nickours sulphate,nickel salts, Ni 22.2% min Nickel sulphate for nickel plating,Nickel electroplating,Nickel sulfate,nickel sulphate,nickours sulphate,nickel salts,nickel electroplating .High purity and contains Ni 22.2% min Spec. as follows:Ni≥22.2% minCo≤0.02 maxPb≤0.001Cu≤0.002Fe≤0.002Insoluble≤0.03Zn≤0.003Cl≤0.1Ca≤0 ...