Table 1.

Silver Ion Selectivities ( $log{K}_{\text{Ag},\text{J}}^{\text{pot}}$) of Fluorous Ionophore-Doped Electrode Membranes Based on Perfluoroperhydrophenanthrene with Different Ratios of Ionophore and Ionic Sites^a

Ionophore	Ionophore/Ionic Site Ratio	Ag+ selectivity ( $log{K}_{\text{Ag},\text{J}}^{\text{pot}}$)
		K+	Na+	Cu2+
Ag-2	3:1	−5.97±0.07	−7.60±0.09	−8.09±0.19
	5:1	−8.12±0.08	−9.06±0.15	−10.09±0.18
Ag-3	3:1	−9.45±0.15	−10.93±0.21	−11.22±0.21
Ag-4	2:1	−9.11±0.21	−10.35±0.22	−10.50±0.25
	3:1	−11.60±0.13	−12.94±0.14	−13.04±0.22

^aThe concentration of ionic sites, 3, for all electrode membranes was 1.0 mM.