Table 13 Determination of Co(II) spiked in natural water samples after flotation using 1.0 × 10–2 moll‐1 PTHAC and 1.0 × 10–4 moll‐1 HOL at pH ~ 6.5
Type of water (location) | Co(II) added | Recovery (%) | |
|---|---|---|---|
(mg l−1) | FAAS | Spectrophoto | |
Distilled water | 5 | 99.6 | 100 |
10 | 99 | 98.5 | |
15 | 100 | 100 | |
Tap water | 0 | 0 | 0 |
(Our laboratory) | 5 | 99 | 99 |
10 | 100 | 100 | |
15 | 99.7 | 100 | |
Nile water | 0 | 0 | 0 |
(Mansoura City) | 5 | 100 | 100 |
10 | 100 | 100 | |
15 | 99.5 | 99 | |
Sea water | 0 | 0 | 0 |
(Demiate City) | 5 | 99.4 | 99.6 |
10 | 99.7 | 100 | |
15 | 100 | 100 | |
0 | 0 | 0 | |
(Ras El-Barr) | 5 | 99.9 | 100 |
10 | 99.6 | 99.4 | |
15 | 100 | 100 | |