| ITEM | STANDARD |
| Appearance | Cream white powder |
| Viscosity (mPa.s, 1% solution, 20℃) | >= 1400 |
| Particle size | Min 95% pass 200 mesh |
| Assay (dry basis, %) | 90.8 - 106 |
| Loss on drying (105℃, 4h, %) | =< 15 |
| pH (1% solution) | 6.0 - 7.5 |
| Water insolubles (dry basis, %) | =< 0.6 |
| Total ash (%) | 18 - 27 |
| Copper (Cu) | =< 10 mg/ kg |
| Zinc (Zn) | =< 10 mg/ kg |
| Lead (Pb) | =< 3 mg/ kg |
| Arsenic (As) | =< 2 mg/ kg |
| Mercury (Hg) | =< 1 mg/ kg |
| Cadmium (Cd) | =< 1 mg/ kg |
| Total Heavy metals (as Pb) | =< 10 mg/ kg |
| Total plate count | =< 5000 cfu/g |
| Yeast & mould | =< 500 cfu/g |
| Salmonella/ 10g | Absent |
| E. Coli/ 5g | Absent |
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