Properties
Formula | Sn(BF4)2 |
Appearance | Clear, colourless solution with essentially no odour. |
Odour | Odourless |
Molecular weight | 292.2 |
Specific gravity | 1.6 approx. |
Applications
- As an electrolyte in electroplating tin, for thin walled bearing (Lead – Tin plating) |
Specifications
Free H3BO3 | 2% max |
Free HBF4 | 2-4% max |
Assay | 49% min |
Sn++ | 20% min (300 gpl) |
SO4 | 0.005% max |
Cl | 0.005% max |
Sn4+ | 1.0% max |
Fe | 0.005% max |
Cu | 0.005% max |
Pb | 0.003% max |