1.high purity
2.consistent quality
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Item |
Specification |
Appearance |
White crystals or crystalline powder |
Specific Rotation |
+14.9°- +17.3° |
PH |
5.0-7.0 |
Loss on drying |
≤0.2% |
Residue on ignition |
≤0.4% |
Chloride |
≤0.05% |
Sulfate |
≤0.03% |
Ammonium |
≤30ppm |
Arsenic |
≤1ppm |
Iron |
≤30ppm |
Heavy metals |
≤15ppm |
Assay |
98.5-101.5% |