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Item | Specification |
Appearance | Colorless to white crystals |
Water Solution Clarity | Colorless and transparent |
Assay (%) | ≥99.5 |
Melting Point (ºC) | 184-189 |
Moisture (%) | ≤0.5 |
Sulphate (%) | ≤0.02 |
Chloride (%) | ≤0.005 |
Iron (ppm) | ≤10 |
Residues on Ignition (%) | ≤0.025 |
Water Insolubles (PPM) | ≤50 |
Pb (ppm) | ≤10 |
As (ppm) | ≤2 |
Potassium Permanganate-reducing | Not disappear within 3 mins |
China
