Sample | Added (µg L−1) | ACT | IMD | TCL | CLD | ||||
---|---|---|---|---|---|---|---|---|---|
Found (µg L−1) | %R | Found (µg L−1) | %R | Found (µg L−1) | %R | Found (µg L−1) | %R | ||
Influent | 0 | ND | – | ND | – | ND | – | ND | – |
 | 1.0 | 0.96 ± 0.02 | 96.0 | 0.95 ± 0.05 | 95.1 | 0.94 ± 0.01 | 94.1 | 0.96 ± 0.02 | 95.5 |
 | 5.0 | 4.75 ± 0.12 | 95.1 | 4.91 ± 0.07 | 98.2 | 4.88 ± 0.03 | 97.6 | 4.84 ± 0.05 | 96.8 |
Effluent | 0 | ND | – | ND | – | ND | – | ND | – |
 | 1.0 | 0.87 ± 0.02 | 86.7 | 0.92 ± 0.03 | 92.1 | 0.90 ± 0.02 | 89.7 | 0.93 ± 0.01 | 92.9 |
 | 5.0 | 4.78 ± 0.15 | 95.5 | 4.81 ± 0.12 | 96.2 | 4.67 ± 0.11 | 93.3 | 4.78 ± 0.12 | 95.6 |
River water | 0 | ND | – | ND | – | ND | – | ND | – |
 | 1.0 | 0.97 ± 0.02 | 96.8 | 0.98 ± 0.03 | 97.7 | 0.99 ± 0.04 | 98.8 | 0.96 ± 0.01 | 95.6 |
 | 5.0 | 4.92 ± 0.11 | 98.4 | 4.86 ± 0.05 | 97.1 | 4.94 ± 0.14 | 98.8 | 4.96 ± 0.05 | 99.2 |