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Specification:
Appearance: white crystal
Specific rotation: 52.0 - 53.5
Acidity: 1.2ml (max.) .
Chloride: 200ppm (max.)
Sulfate: 200ppm (max.)
Loss on drying: 9.0% (max.)
Heavy metal: 20ppm (max.)
Iron: 20ppm (max.)
Arsenic: 2ppm (max.)
Color dot: 100/50g
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