Table 4. Distribution Coefficients of the Metal and Chloride Ions Reported by van Osch et al. over the Aqueous and HDES Phases.^44a.

exp no.	ion	DecaA:Lid (2:1)	DecaA:Lid (3:1)	DecaA:Lid (4:1)
1	cobalt	>0.996 ± 0.001	>0.996 ± 0.001	0.983 ± 0.002
	chloride	0.113 ± 0.002	0.078 ± 0.008	0.101 ± 0.059
2	iron	>0.992 ± 0.001	>0.991 ± 0.001	>0.991 ± 0.001
	chloride	0.197 ± 0.003	0.080 ± 0.001	0.113 ± 0.007
3	manganese	>0.992 ± 0.001	>0.991 ± 0.001	0.983 ± 0.004
	chloride	0.086 ± 0.002	0.081 ± 0.027	0.065 ± 0.011
4	potassium	0.457 ± 0.001	0.397 ± 0.011	0.457 ± 0.001
	chloride	0.141 ± 0.001	0.078 ± 0.031	0.072 ± 0.001
5	lithium	0.266 ± 0.015	0.166 ± 0.001	0.128 ± 0.036
	sodium	0.195 ± 0.001	0.140 ± 0.009	0.127 ± 0.040
	potassium	0.211 ± 0.028	0.161 ± 0.018	0.134 ± 0.005
	cobalt	0.990 ± 0.001	0.946 ± 0.012	0.777 ± 0.008
	copper	>0.996 ± 0.001	>0.996 ± 0.001	>0.996 ± 0.001
	nickel	>0.996 ± 0.001	>0.983 ± 0.001	0.880 ± 0.004
	zinc	>0.995 ± 0.001	>0.995 ± 0.001	>0.995 ± 0.001

^aD → 0 indicates low efficient ion extraction, i.e., the ion remains in the water phase, while D → 1 indicates highly efficient ion extraction into the DES phase.