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Items
Standard (United States Pharmacopoeia)
Appearance
White crystal without black dots and with good fluidity
Bulk Density
NLT 0.45g/ml
Assay
97.5-102.5%
Specific rotation
+38.9°—+42.9°
PH
6.0-7.5
Loss on dry
NMT 0.5%
Residue on ignition
NMT 0.1%
Chloride
NMT 0.2%
Melting point
196°-205°
Heavy Metals
NMT 10PPM
Iron
NMT 10PPM
Lead
NMT 0.5PPM
Arsenic
NMT 0.5PPM
Mercury
NMT 0.5PPM
Organic volatile impurities
Meet the requirements
Total Bacteria Count
NMT 1000Cfu/g
Yeast & Molds
NMT 100Cfu/g
Salmonella
Negative
E.Coil
Negative
Staphylococcus Aureus
Negative

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