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Item
Specification
Appearance
White or pale yellow crystalline powder
Assay(%)
98.0~102.0
PH value
5.0 ~ 7.5
Loss on drying(%)
1.0max
Melting point(℃)
160 ~ 170
Reducing Sugars(%)
Specific optical rotation(°)
+20 ~ +23
Heavy metals(ppm)
20max
Chloride(ppm)
400max
Sulfate(ppm)
500max
Total bacteria count(Col/g)
100max
Endotoxin(EU/g)
25max