Table 2.
Recovery study of the proposed methodology in real samples.
| Aliquotsa | Base value (μg L−1) | Added (μg L−1) | Found ± RSD (%) (μg L−1) |
Recoveryb (%) ± RSD (%) |
|---|---|---|---|---|
| I | 110.01 | -- | 110.01 ± 4.5 | -- |
| II | -- | 50 | 157.55 ± 1.1 | 100.8 ± 1.5 |
| III | -- | 100 | 213.41 ± 2.2 | 100.7 ± 1.9 |
| IV | -- | 150 | 245.72 ± 2.6 | 101.5 ± 2.1 |
| V | -- | 300 | 409.72 ± 3.0 | 99.8 ± 2.6 |
| VI | -- | 500 | 609.95 ± 1.2 | 99.9 ± 0.9 |
Excitation and emission slit width of 5-5 nm.
a
1000 mL of environment water obtained from waterhole of a rural zone.
b
Recovery = (Found-Base value)/Added × 100.