Figure 4:
The plots of log D’ – log [Cu] - 4pH against log [ H
2
R
2
] of the extraction of Cu(I) with lauric acid diluted 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
-2
.
