| Item | Unit | Specification |
| Appearance | / | White crystalline powder |
| Clarity | / | Clear |
| Colour | / | Y6 |
| Acidity or Alkalinity | ml/g | 0.25 max |
| Ionised Chlorine | ppm | 200 max |
| Total Chlorine | ppm | 300 max |
| Heavy Metals (In terms of lead) | ppm | 10 max |
| Arsenic | ppm | 3 max |
| Lead | ppm | 2 max |
| Mercury | ppm | 1 max |
| Readily Oxidisable Subst Ances | / | Positve |
| Polycyclic Acids | / | Positive |
| Loss on Drying | %(m/m) | 1.5 max |
| Assay | %(m/m) | 99.0-100.5 |