| 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 |