STANNOUS SULPHATE AR
Stannous Sulfate is commonly used in acid tin plating baths, liquor finishing and drawing of steel wire. It delivers a high current efficiency and smooth, fine grained deposits. A bright finish can be obtained by flow melting of through the use of certain additives.
The process of manufacturing stannous sulfate which comprises the steps of reacting tin, oxygen and sulfuric acid at a temperature of about 20 to 25 C. to produce a solution of stannous sulfate, subsequently separating stannous sulfate out of solution by adding sulfuric acid thereto and by heating to a temperature of .
Dosage
Stannous chloride dihydrate (E512) is used as a food additive to provide colour retention and act as a antioxidant. It is, however, only permitted as an additive in one food category.