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 |