产品描述

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