Tin Salts (stannous)

Potassium stannate    CAS No.: 12142-33-5 Appearance: White crystal Sn: 38%min. Free alkali: 1.0% max. Insolubles: 0.1% max. Pb: 0.01%max. As: 0.005% max. Chloride: 1.0% max. Loss on ignition: 3.0% max.     Stannous chloride   CAS No: 10025-69-1 Molecular Formula: SnCI2.2H2O Content: 99% min. Appearance: White crystal SO4: 0.003% max. Fe: 0.003% max. Cu: 0.0008% max. As: 0.0001% max Pb: 0.005% max. Packing: Net 25kg/ plastic drum   or  net25kg/bag, 1mt/ bag       Stannous sulphate  CAS No: 7488-55-3 Molecular formula: SnSO4 Content: 99.2% min. Appearance: White powder HCl-insol.Mat: 0.01% max. Alkaline Metal & Alkaline Earth Metal: 0.15% max. Fe: 0.008% max. As: 0.0008% max Packing: Net 25kg/ plastic drum       Sodium stannate CAS No: 12058-66-1 Sn: 42% Pb: 0.002% Sb: 0.005% As: 0.03% Fe: 0.02% NaOH: 3.5% NO3: 0.1% Alkali insolubles: 0.1% Packing: net25kg/drum       Stannous Oxide CAS NO: 21651-19-4 SnO: 98 % HCl-insol.Mat: 0.02 % Chloride: 0.015 % NH4:0.03 % SO4: 0.005 % Pb+Cu :0.02 % Fe : 0.015   %     Tin Sn: =99.50 Fe:=0.04 Pb: =0.04 Cu: =0.10 S: =0.02 Bi: =0.001 As:= 0.03 Sb: =0.01 Hydrochloric acid treatment Residue on ignition : =0.025 Hydrogen reduction of weightlessness: =0.25