| ITEM | STANDARD |
| Appearance | White or cream colored powder |
| Purity | >=99.5% |
| Viscosity (1%, 25℃, Brookfield LVT, #3 spindle, 30rpm, mPa.s ) | >=3000 |
| Degree of substitution | 0.65 - 0.85 |
| pH (1% solution) | 6.0- 8.5 |
| Loss on drying | =< 10% |
| Sodium chloride | =< 0.5% |
| Total glycolate | =< 0.4% |
| Sulphated ash | 23 - 27 % |
| Lead | =< 3 mg/kg |
| Arsenic | =< 2 mg/kg |
| Mercury | =< 1 mg/kg |
| Cadmium | =< 1 mg/kg |
| ?Total heavy metals (as Pb) | =< 10 mg/kg |
| Total plate count (cfu/g) | =< 1000 |
| Yeast and mould (cfu/g) | =< 100 |
| Coliform | Negative |
| Salmonella | Negative |