| Subject | Index | |
| Standard | Reality | |
| Appearance | WHITE CRISTALLIZED POWDER | |
| Content% | ≥99 | 99.1 |
| Active oxygen % | ≥6.91 | 6.91 |
| Residue after ignition | ≤ 0.02 | 0.018 |
| Ferrous(Fe)content%≤ | ≤0.0005 | 0.00048 |
| Heavy Metals(as Pb)content%≤ | ≤0.0005 | 0.00046 |
| Moisture % | ≤0.1 | 0.09 |
| Manganese % | ≤0.0001 | 0.00005 |
| Chloride % | ≤ 0.001 | 0.0008 |