Table 4.
Concentration of cations in the Halda River water.
| Sample ID | Na+ (mg/L) | NH4+ (mg/L) | K+ (mg/L) | Mg2+ (mg/L) | Ca2+ (mg/L) |
|---|---|---|---|---|---|
| S1 | 8.4 ± 0.28 | 0.3 ± 0.02 | 3.35 ± 0.14 | 3.33 ± 0.12 | 6.31 ± 0.2 |
| S2 | 8.96 ± 0.18 | 0.45 ± 0.05 | 3.42 ± 0.09 | 3.53 ± 0.07 | 6.7 ± 0.07 |
| S3 | 9.56 ± 0.04 | 0.36 ± 0.05 | 3.57 ± 0.12 | 3.81 ± 0.11 | 8.31 ± 0.2 |
| S4 | 9.03 ± 0.16 | 0.47 ± 0.04 | 3.38 ± 0.13 | 3.53 ± 0.11 | 6.51 ± 0.11 |
| S5 | 10.3 ± 0.28 | 0.36 ± 0.05 | 3.78 ± 0.13 | 4.07 ± 0.07 | 9.06 ± 0.13 |
| S6 | 10.6 ± 0.40 | 0.29 ± 0.01 | 3.88 ± 0.1 | 4.02 ± 0.07 | 7.92 ± 0.35 |
| S7 | 10.8 ± 0.20 | 0.19 ± 0.01 | 3.95 ± 0.03 | 4.05 ± 0.18 | 7.69 ± 0.24 |
| S8 | 10.8 ± 0.13 | 0.45 ± 0.02 | 3.97 ± 0.13 | 4.3 ± 0.06 | 8.45 ± 0.45 |
| S9 | 10.7 ± 0.16 | 0.37 ± 0.03 | 3.85 ± 0.08 | 4.03 ± 0.11 | 7.50 ± 0.21 |
| S10 | 9.9 ± 0.04 | 0.41 ± 0.01 | 3.88 ± 0.33 | 4.05 ± 0.06 | 7.50 ± 0.30 |
| S11 | 10.63 ± 0.10 | 0.38 ± 0.03 | 4.03 ± 0.13 | 3.83 ± 0.13 | 7.37 ± 0.04 |
| S12 | 10.27 ± 0.24 | 0.36 ± 0.07 | 3.41 ± 0.05 | 4.1 ± 0.14 | 7.79 ± 0.02 |
| Standard (WHO) | 200 | Not found | 10 | 50 | 75 |
∗BDL: Below Detection Limit.