Ion-Selective Electrodes Using an Ionophore Covalently Attached to Carboxylated Poly(vinyl chloride)

Sylvia Daunert; Leonidas G. Bachas

doi:10.1021/ac00213a016

Ion-Selective Electrodes Using an Ionophore Covalently Attached to Carboxylated Poly(vinyl chloride)

Sylvia Daunert, Leonidas G. Bachas

Research output: Contribution to journal › Article › peer-review

80 Scopus citations

Abstract

An ion-selective electrode was prepared by using a polymer membrane on which an lonophore had been covalently attached. Specifically, benzo-15-crown-5 was modified chemically to yield 4α-aminobenzo-15-crown-5, which was then attached covalently to carboxylated poly(vinyl chloride). The prepared electrode responded selectively to potassium with a Nernstian slope. This polymer-bound ionophore had an increased lifetime when compared to the one obtained by using a poly (vinyl chloride )-based matrix impregnated with benzo-15-crown-5.

Original language	English (US)
Pages (from-to)	1428-1431
Number of pages	4
Journal	Analytical Chemistry
Volume	62
Issue number	14
DOIs	https://doi.org/10.1021/ac00213a016
State	Published - Jul 1990
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry

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abstract = "An ion-selective electrode was prepared by using a polymer membrane on which an lonophore had been covalently attached. Specifically, benzo-15-crown-5 was modified chemically to yield 4α-aminobenzo-15-crown-5, which was then attached covalently to carboxylated poly(vinyl chloride). The prepared electrode responded selectively to potassium with a Nernstian slope. This polymer-bound ionophore had an increased lifetime when compared to the one obtained by using a poly (vinyl chloride )-based matrix impregnated with benzo-15-crown-5.",

author = "Sylvia Daunert and Bachas, {Leonidas G.}",

year = "1990",

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AU - Daunert, Sylvia

AU - Bachas, Leonidas G.

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Y1 - 1990/7

N2 - An ion-selective electrode was prepared by using a polymer membrane on which an lonophore had been covalently attached. Specifically, benzo-15-crown-5 was modified chemically to yield 4α-aminobenzo-15-crown-5, which was then attached covalently to carboxylated poly(vinyl chloride). The prepared electrode responded selectively to potassium with a Nernstian slope. This polymer-bound ionophore had an increased lifetime when compared to the one obtained by using a poly (vinyl chloride )-based matrix impregnated with benzo-15-crown-5.

AB - An ion-selective electrode was prepared by using a polymer membrane on which an lonophore had been covalently attached. Specifically, benzo-15-crown-5 was modified chemically to yield 4α-aminobenzo-15-crown-5, which was then attached covalently to carboxylated poly(vinyl chloride). The prepared electrode responded selectively to potassium with a Nernstian slope. This polymer-bound ionophore had an increased lifetime when compared to the one obtained by using a poly (vinyl chloride )-based matrix impregnated with benzo-15-crown-5.

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