Analyzed parameters | Analytical methods |
COD | Potassium dichromate method (GB/T 11914-1989) |
NH3-N | Distillation and titration method (GB/T 7478-1987) |
Total Nitrogen (TN) | Alkaline potassium sulfate nodule method (GB 11894-89) |
Cl− | Color rendering titration method (GB/T 13025.5-2012) |
| Barium capacity method (GB/T 13025.8-2012) |