Table 1 Effect of the type and volume of elution solutions on the recovery of Pb(II) and Cd(II)
Element | Type of eluent | Volume (mL) | Conc.(M) | Recovery (%) |
|---|---|---|---|---|
Pb(II) | HCl | 5 | 1 | 92.80 |
HCl | 10 | 1 | 94.85 | |
HCl | 15 | 1 | 97.90 | |
HNO3 | 5 | 1 | 86.38 | |
HNO3 | 10 | 1 | 87.45 | |
HNO3 | 15 | 1 | 90.54 | |
Cd(II) | HCl | 5 | 1 | 90.32 |
HCl | 10 | 1 | 92.65 | |
HCl | 15 | 1 | 94.78 | |
HNO3 | 5 | 1 | 87.60 | |
HNO3 | 10 | 1 | 88.74 | |
HNO3 | 15 | 1 | 89.48 |