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Items | Specification | ||||||
Appearance(25℃) | White crystalline powder | ||||||
PH | 7-9 | ||||||
Assay,w/% | ≥99 | ||||||
Insoluble matter % | ≤0.05 | ||||||
Acidity and alkalinity | Pass the test | ||||||
Fe % | ≤0.05 | ||||||
Chloride % | ≤0.3 | ||||||
Items | Specification | ||||||
Appearance(25℃). | White crystalline powder | ||||||
Assay % | 99.0-101.0 | ||||||
PH(25℃ 5%) | 8.0-9.5 | ||||||
As ≤ % | 0.0003 | ||||||
Pb ≤ % | 0.0002 | ||||||
Hg ≤ % | 0.0001 | ||||||
Alkalinity (As NaOH) ≤ % | 0.2 | ||||||
Loss on drying (120℃) ≤ % | 1.0 | ||||||
Potassium compound test | Pass the test | ||||||
Items | Specification | ||||||
Appearance (25℃) | White crystalline powder | ||||||
Assay | 58%MIN | ||||||
PH | 7-9 | ||||||
Chloride | ≤0.3 | ||||||
Iron Content% | ≤0.05 | ||||||
Water Insouluable | 0.03%MAX | ||||||
Free Alkali | 0.03%MAX | ||||||
Items | Specification | ||||||
Appearance(25℃) | White crystalline powder | ||||||
Content (Dry Basis)% | 98.5 | ||||||
Acidity and alkalinity | Pass the test | ||||||
Pb (mg/kg) ≤ | 2 | ||||||
Loss on Drying % | 36.0-42.0 | ||||||
Potassium test | Pass the test | ||||||















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