Figure 2:
The plot of distribution coefficient (log D’) against pH at the extraction of Cu(I) with lauric acid (0.5 M) in benzene at 298.2 K. Initial concentration of Cu(I) (M): (?) 5×10
-4
; (?) 2.5×10
-3
; (?) 5×10
-3
; (?) 2.5×10
-3
.