製品紹介
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ITEM | STANDARD |
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 |
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