
| Index item | Index |
| Total alkalinity (based on NH4HCO3), % | 99.0~100.5 |
| Chloride (based on C1) % | ≤0.007 |
| Sulfur compound (based on SO4) % | ≤0.003 |
| Nonvolatile matter % | ≤0.05 |
| Inorganic arsenic (based on As)/(mg/kg) | ≤2 |
| Plumbum (Pb)/(mg/kg) | ≤2 |
| Sulfonate (based on SDBS) (mg/kg) | ≤10 |