Stannous sulfate, with the molecular formula SnSO4 and a molecular weight of 214.75, is a white or light yellow crystalline powder that is soluble in water and dilute sulfuric acid. The aqueous solution decomposes rapidly. The main use is for tin plating or chemical reagents, such as acid plating of alloys, tinplate, cylinder pistons, steel wires, etc., as well as bright tin plating of electronic devices. In addition, it is also used for oxidation coloring of aluminum alloy product coatings, as a mordant in the printing and dyeing industry, and as a hydrogen peroxide remover in organic solutions.
|
PACKAGE |
IN 25KGS PLASTIC DRUM |
|
|
TESTS |
STANDARD |
RESULTS |
|
SnSO4 |
99% MIN |
99.34% |
|
Sn |
54.7% MIN |
54.94% |
|
Cl |
0.005% MAX |
0.0032% |
|
Sb |
0.01% MAX |
0.0002% |
|
Fe |
0.005% MAX |
0.0018% |
|
Pb |
0.02% MAX |
0.0022% |
|
As |
0.001% MAX |
0.0001% |
|
HCL INSOLUBLE |
0.005% MAX |
0.004% |
|
ALKALINE METAL & ALKALINE EARTH METAL |
0.1% MAX |
0.0592% |
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