Real sample analysis of Sb3+ in various environmental samplesa.
| Real samples | Amount of 3-CP added | No. of readings | Measured response in (μA) | % recovery | Mean (% recovery) | SD | RSD | SEM |
|---|---|---|---|---|---|---|---|---|
| Sb3+ | 0.1 μM, 25 μL | — | 21.073 | 100 | — | — | — | — |
| Industrial effluent | 0.1 μM, 25 μL | R 1 | 16.262 | 77.1 | 73.0 | 3.857 | 5.27 | 2.22 |
| R 2 | 14.646 | 69.5 | ||||||
| R 3 | 15.297 | 72.5 | ||||||
| Plastic baby feeding bottle | 0.1 μM, 25 μL | R 1 | 23.351 | 110.8 | 96.3 | 13.338 | 13.84 | 7.70 |
| R 2 | 19.747 | 93.7 | ||||||
| R 3 | 17.812 | 84.5 | ||||||
| Polythene food packaging | 0.1 μM, 25 μL | R 1 | 10.875 | 51.6 | 48.7 | 2.559 | 5.25 | 1.47 |
| R 2 | 10.074 | 47.8 | ||||||
| R 3 | 9.849 | 46.7 | ||||||
| Mineral water bottle | 0.1 μM, 25 μL | R 1 | 12.718 | 60.3 | 54.4 | 5.301 | 9.72 | 3.06 |
| R 2 | 11.185 | 53.0 | ||||||
| R 3 | 10.544 | 50.0 |
a
SD = standard deviation; RSD = relative standard deviation; SEM = standard error of mean.