Solvent |
Dielectric
constant,
(ε) |
Percentage
extraction,
(% E) |
Distribution
ratio,
(D) |
Benzene |
2.27 |
100 |
∞ |
Xylene |
2.30 |
100 |
∞ |
Toluene* |
2.38 |
100 |
∞ |
Chloroform |
4.80 |
23.8 |
0.78 |
Methyl isobutyl ketone |
13.10 |
60.8 |
3.87 |
n-Butanol |
17.80 |
No extraction |
- |
Amyl alcohol |
13.90 |
No extraction |
- |
Amyl aceate |
13.90 |
No extraction |
- |
1, 2-Dichloroethane |
10.50 |
No extraction |
- |
Pt(IV)=150 μg Aq: Org=2.5: 1
pH=0.50 Ascorbic acid=0.01 M
Equilibrium time=3 min Strippant=Water (2×10 mL)* Recommended for general extraction procedure |