Chemical parameters | BIS (mg/l) | Weight (wi) | Relative weight (Wi) |
TH | 300 | 2 | 0.047 |
Ca | 75 | 3 | 0.07 |
Mg | 30 | 3 | 0.07 |
Alkalinity | 200 | 1 | 0.023 |
Cl | 250 | 5 | 0.116 |
TDS | 500 | 5 | 0.116 |
F | 1 | 5 | 0.116 |
Mn | 0.1 | 4 | 0.093 |
NO3 | 45 | 5 | 0.116 |
Fe | 0.3 | 5 | 0.116 |
SO4 | 200 | 1 | 0.023 |
PO4 | 0 | 4 | 0.093 |
Na | 0 | 2 | 0.047 |
K | 0 | 2 | 0.047 |
Silicate | 0 | 2 | 0.047 |
|
| ∑wi = 49 | ∑Wi = 1.14 |