|
|
Items |
Specification |
|
Appearance |
White crystalline powder |
|
Assay(on dry basis) |
99.0~100.5% |
|
Loss on drying |
0.2% max |
|
Ash |
0.1% max |
|
Melting range |
119-123 ℃ |
|
Heavy metals |
0.1 mg/kg max |
|
Arsenic |
0.03 mg/kg max |
|
Cont of bacteria |
300 cfu/g max |
|
Pathogens |
Negative |
|
Reducing sugars |
0.3% max |
|
Ribitol and glycerol |
0.1% max |
|
Yeast and moulds |
100 cft/g max |
|
Coliform |
30 mpn/100g max | |
|