`
| Purity |
98.6 % |
| Carbonate (CO3) |
0.4 % |
| Sulfate (SO4) |
0.01 % |
| Chloride (CI) | 0.01 % |
| Iron (Fe) |
1.7 ppm |
| Nickel (Ni) |
1.8 ppm |
| Caicium (Ca) |
1.0 ppm. |
| Magensium (Mg) | 1.0 ppm. |
| Aluminum (Al) |
Nil |
| Silica (SiO2) | Nil |
| Mercury (Hg) |
Nil |
| Heavy metals | - ve. |
| Density |
2.13g/cm 3 |
| PH | 14 |
| Solubility in water |
Soluble (1 gm / 0.9 ml water) |