pH
[Cu]
aq
x 10
-3
(mol/l)
[Cu]
org
x 10
-3
(mol/l)
D
%E
5.33
1.023
0.54
0.53
34.80
5.36
0.94
0.62
0.66
39.81
5.43
0.78
0.78
0.99
49.84
5.54
0.62
0.94
1.49
59.87
5.58
0.55
1.01
1.84
64.89
5.65
0.39
1.17
2.98
74.92
5.79
0.23
1.33
5.64
84.95
Table 6:
The distribution coefficient (D) and extraction percentage (%E) for extraction of copper (II) with lauric acid (0.04M) diluted in MIBK. [Cu]
aq.initial
= 1.57x10
-3
M.
