Inspection Item | Standard | Check Result |
Colour | Colorless transparent liquid | Colorless transparent liquid |
Hydroxide solution (NaoH)% | ≥50.0 | 50.1 |
Sodium chloride (NaCl))% | ≤0.03 | ≤0.03 |
Sodium carbonate (Na2CO3)% | ≤0.06 | ≤0.06 |
Ferric oxide (Fe2O3) % | ≤0.002 | ≤0.002 |
Chloride, Cl | 50 mg/kg max | confirm |
Sulfate, SO4 | 50 mg/kg max | confirm |
Chlorate, ClO3 | 10 mg/kg max | confirm |
Iron | 5mg/kg max | confirm |
Silicon | 10mg/kg max | confirm |
Calcium | 10mg/kg max | confirm |
Heavy metals | 10mg/kg max | confirm |
Aluminum | 1mg/kg max | confirm |