Sample | Molybdenum (mg L−1) | Recovery ± s (%) | RSD (%) |
| |
Added | Found | ||||
Tap water | 50 | 57.6 | 101.5 ± 1.2 | 2.4 | 7.6 ± 0.19 |
100 | 108.4 | 99.0 ± 1.3 | 3.5 | 8.4 ± 0.30 | |
100 | 107.5 | 100.8 ± 0.8 | 2.8 | 7.5 ± 0.22 | |
Well water | 50 | 54.60 | 100..2 ± 0.9 | 3.3 | 4.60 ± 0.16 |
100 | 104.68 | 100.5 ± 1.3 | 3.6 | 4.68 ± 0.18 | |
100 | 104.73 | 100.6 ± 1.2 | 2.7 | 4.73 ± 0.13 | |
River water | 50 | 65.45 | 101.2 ± 1.0 | 3.2 | 15.45 ± 0.52 |
100 | 115.34 | 99.2 ± 1.1 | 3.8 | 15.34 ± 0.61 | |
Sea water | 50 | 63.05 | 98.7 ± 1.2 | 2.7 | 13.05 ± 0.37 |
100 | 113.16 | 99.1 ± 1.3 | 2.5 | 13.16 ± 0.34 | |
Drain water | 50 | 57.24 | 100.6 ± 0.9 | 3.4 | 7.24 ± 0.28 |
100 | 107.39 | 99.5 ± 1.0 | 3.3 | 7.39 ± 0.26 |