| Appearance | White powder |
| Purity(HPLC) | 98% min. |
| Particle-size | NLT100% 80 Mesh |
| Loss on drying |
2% max. |
| Heavy metal |
10 ppm max. |
| Lead |
2ppm max. |
| Mercury |
1 ppm max. |
| Cadmium |
0.5 ppm max. |
| Total number of bacteria |
1,000cfu/g max. |
|
Total Yeast & Mold |
100cfu/g max. |
|
Escherichia coli |
Not included |
|
Salmonella |
Not included |
|
Staphylococcus |
Not included |