Characterization of a Ag+-Selective Electrode Based on Naphthalimide Derivative as Ionophore
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A naphthalimide derivative has been explored as neutral ionophore for Ag+-selective electrode. Potentiometric response revealed that electrode based on the proposed ionophore with 2-nitrophenyl octyl ether as solvent in a poly (vinyl chloride) membrane matrix shows a measuring range of 1.0×10-6-1.0×10-2 M with a slope of 50.4±0.3 mV/decade. This electrode has high selectivity to Ag+ with respect to alkaline, alkaline earth and other heavy metal ions.
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2007 ◽
Vol 72
(9)
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pp. 1189-1206
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1994 ◽
pp. 149-157
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2011 ◽
Vol 56
(1)
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pp. 580-583
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