| Product Specifications | |
| Item | Index |
| Appearance | Light yellow to brownish yellow powder |
| Moisture% | ≤6.0 |
| Total nitrogen% | ≥9.0 |
| Amino nitrogen% | ≤3.0 |
| Nacl% | ≤2 |
| PH(% aqueous solution) | 4.5-7.5 |
| Zinc,mg/kg | / |
| Pb,mg/kg | ≤2 |
| As,mg/kg | ≤2 |
| Total colony,cfu/g | ≤10000 |
| Coliforms,MPN/g | ≤30 |
| Mold and Yeast,cfu/g | ≤25 |
| Pathogenic bacteria,/25g | Negative |