Indices | Formula | Reference |
Percentage Sodium, Na% |
| |
Kelly Ratio, KR |
| |
Magnesium Absorption Ratio, MAR |
| |
Total Hardness, HT | TH (CaCO3) mg/L = 2.5 Ca2+ + 4.1 Mg2+ | |
Residual Sodium Carbonate, RSC |
| |
Sodium Absorption Ratio, SAR |
| |
Permeability Index, PI |
| |
Water Quality Index, WQI |
| |