Item | Specification |
---|---|
Purity |
≥98% |
Physical &Chemical Control: |
|
Appearance |
White to off-white power |
Identification-A |
HNMR correspond to WRS |
Identification-B |
The retention time correspond |
Melting Point (℃) |
257-259℃ |
Loss on Drying |
≤1.0% |
Residue on ignition |
≤1.0% |
Heavy Metals Control: |
|
Arsenic |
≤1.0 ppm |
Lead |
≤1.0 ppm |
Mercury |
≤1.5 ppm |
Cadmium |
≤1.5 ppm |
Total Heavy Metals |
≤10 ppm |
Microbiological Control: |
|
E.coli |
Negative/10g |
Staphylococcus aureus Rosenbach |
Negative/10g |
Salmonella |
Negative/25g |
Yeast &Mold |
≤300 CFU/g |
Total Plate Count |
≤10000 CFU/g |