产品描述

Appearance    White, odorless, hygroscopic powder
Assay (Dry Basis, %)    99.0-101.0
pH (1% Solution, 25℃)    8.0- 9.5
Loss on Drying (120℃, 4 Hours, %)    =< 1.0
Insoluble Matter (%)    =< 0.05
Alkalinity (as NaOH, %)    =< 0.2
Chlorides (Cl, %)    =< 0.035
Formic acid, formates and other oxidizable (as formic acid)    =< 1,000 mg/kg
Phosphate (PO4)    =< 10 mg/ kg
Sulphate (SO4)    =< 50 mg/ kg
Iron (Fe)    =< 10 mg/ kg
Arsenic (As)    =< 3 mg/ kg
Lead (Pb)    =< 5 mg/ kg
Mercury    =< 1 mg/ kg
Heavy Metal (as Pb)    =< 10 mg/ kg
Potassium Salt (%)    =< 0.025