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. Author manuscript; available in PMC: 2016 Sep 20.
Published in final edited form as: Anal Chem. 2016 May 9;88(11):5827–5834. doi: 10.1021/acs.analchem.6b00397

Figure 3.

Figure 3

Thin-layer CVs of oNPOE/PVC membranes doped with 5 mM ionophore 1, L, in the presence of (A) 5 mM sodium acetate and 5 mM barium acetate, (B) 5 mM barium acetate, (C) 5 mM sodium acetate and 5 mM strontium acetate, or (D) 5 mM strontium acetate. Potentials are defined against the average peak potential of Na+ transfer. Potential sweep rate, 0.05 V/s.