Description
| Appearance | White Powder | ||
| Tin content as Sn | 40.0% min | ||
| Tin content as SnO2 | 54.00% min | ||
| Free caustic alkali | 2.00% min | ||
| Insoluble in 1% NaOH | 0.25% max | ||
| Lead as Pb | 0.05% max | ||
| Antimony as Sb | 0.05% max | ||
| Arsenic as As | 0.01% max | ||
| Nitrate as KNO3 | 0.25% max | ||
| Chloride as KCl | 1.00% max | ||