| ITEM | STANDARD |
| Appearance | Yellow to orange crystalline powder |
| Water<= % | 0.2 |
| Residue on Ignition <= % | 0.1 |
| Heavy Metals <=PPM | 10 |
| Lead <=PPM | 0.1 |
| Arsenic <= PPM | 2 |
| Purity | Test 1 & 2: Sum of all Impurities <=1.5% |
| STANDARD Plate Count <= cfu/g | 1,000 |
| Coliforms <=cfu/g | 3 |
| Assay >=%( Anhydrous Basis) | 98 |