| ITEM | STANDARD |
| Appearance | White fine powder, greasy to touch |
| Assay (dry basis, %) | >= 98 |
| Loss on drying (%) | =< 5.0 |
| Acid value of fatty acids | 196~ 211 |
| Acidity (%) | 0.28~ 1.2 |
| Acid stearic of fatty acids (%) | >= 40 |
| Total stearic acid and palmitic acid of fatty acids (%) | >= 90 |
| Iodine number | =< 3.0 |
| Free potassium hydroxide (%) | =< 0.2 |
| Lead (Pb) | =< 2 mg/kg |
| Arsenic (As) | =< 3 mg/kg |
| Heavy metal (as Pb) | =< 10 mg/kg |
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