| Item | Specification |
| Color | White or nearly white |
| Odor | Odorless or almost odorless |
| Appearance | Free-flow powder |
| Gel strength (2% aqueous suspension) | 500g/cm2 min |
| Loss on dry | 10.0% min |
| Ash | 7.0% min |
| PH (1% aqueous suspension) | 6.0-7.5 |
| Nitrogen | 1.8% max |
| Heavy metals ( as pb) | 20ppm max |
| Particle size (120 mesh) | 98% min |
| Total plate count | 10,000 cfu/g max |
| E.coli | 30 MPN/100g max |
| Assay | 95% min |