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Fabrication of Pb2+ Ion Selective Electrode Based on 1-((3-((2-Hydroxynaphthalen-1-yl)Methyleneamino)-2,2-Dimethylpropylimino) Methyl) Naphthalen-2-ol as New Neutral Ionophore

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Academic year: 2019

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Figure 1. Potentiometric titration curves of HMDMN (L) (a) in the absence and presence of Pb2+ ion with NaOH 0.086 M in 50% dioxane-50% water (v/v) solvent at 25 °C and μ=0.1 M NaClO4 and distribution diagrams of L (b) and of L/Pb2+ binary system(c)
Figure 2. Potential response of various ion-selective membranes based on PVC- HMDMN.
Table 2. N
Figure 4 . Effect of pH test solution on the potential response of the Pb2+-ISE based on PVC- HMDMN in the presence of 1.0×10−2 and 1.0×10−3 M Pb2+ ion
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