| Parameters | Specification |
|---|---|
| Physical properties | |
| Appearance | Free flowing Powder |
| Colour | White |
| Chemical Properties | |
| Purity | 99% |
| Solubility in Water at 25oC | 4.7% |
| Solubility in Alcohol | Solubility in C2H5OH : Complying |
| Loss on drying | < 0.5% ( over silica gel) 5h |
| pH | 5.1 |
| Boron | 17% |
| Arsenic | < 0.005 % Max |
| Sulphate | 0.03% Max |
| Chloride | 0.04 % Max |