COA:
| Items | Standard |
| Description | Light yellow or white loose powder,granules,crystal |
| Odor | Should be no odor |
| Moisture | ≤ 0.5 % |
| Ash | ≤ 0.1 % |
| Assay | ≥98% |
| Items | Standard |
| Description | Light yellow or white loose powder,granules,crystal |
| Odor | Should be no odor |
| Moisture | ≤10% |
| Ash | ≤10% |
| Assay | ≥20% |
| Items | Specification |
| Appearance | White flowing paticles |
| Assay | ≥ 90% |
| Sieve analysis | ≥ 95% through a USS#20 |
| ≤ 75% through a USS#60 | |
| ≤ 15% through a USS#100 | |
| Loss on Drying | ≤10% |
| Heavy Metal | ≤20ppm |
| Total Plate Count | ≤1000cfu/g |
| Yeast & Mold | ≤100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Staphylococcus | Negative |