Table 3. Impact of Different Extractants on the Extraction Efficiency of Both Metals.

sl no	extractants	initial pH	% ELi	% ECo	DCo	SC (Co)
1	0.1 mol/L A-336	2.44		0.2	0.002
2	0.1 mol/L A-336-HCl	2.44		16.6	0.2
3	0.1 mol/L Cy-272	2.44	8.56	18.7	0.23
4	0.1 mol/L A-336–Cy-272	2.44		48.3	0.935	0.605