Study of the temperature behaviour of all-solid-state nonactin ammonium electrodes with PVC membrane applied to graphite-epoxy supports of varied composition

Jùlia M.c.s. Magalhães; Francisco Céspedes; Salvador Alegret; Adélio A.s.c. Machado

doi:10.1016/S0003-2670(97)00484-4

Study of the temperature behaviour of all-solid-state nonactin ammonium electrodes with PVC membrane applied to graphite-epoxy supports of varied composition

Jùlia M.c.s. Magalhães, Francisco Céspedes, Salvador Alegret, Adélio A.s.c. Machado

Department of Chemistry

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

9 Citations (Scopus)

Abstract

A study of the effect of the temperature on the response of all-solid- state ammonium selective electrodes prepared by casting PVC membranes with nonactin on supports of graphite-epoxy composites containing a variable amount of graphite up to 60% is presented. It is shown that while supports made of composites with 30% or less of graphite provide no adequate response characteristics, the variation of the percentage of graphite between 40 and 60% has no influence neither on the slope and standard potential temperature coefficients of the electrodes, nor on their isopotential point concentrations. The temperature hysteresis of the electrodes was found to be limited and also independent of the amount of graphite in the composite.

Original language	English
Pages (from-to)	241-247
Journal	Analytica Chimica Acta
Volume	355
Issue number	2-3
DOIs	https://doi.org/10.1016/S0003-2670(97)00484-4
Publication status	Published - 28 Nov 1997

Keywords

Conductive epoxy electrode
Graphite-epoxy composite
Nonactin ammonium electrodes
PVC membrane ammonium electrodes
Temperature effects

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title = "Study of the temperature behaviour of all-solid-state nonactin ammonium electrodes with PVC membrane applied to graphite-epoxy supports of varied composition",

abstract = "A study of the effect of the temperature on the response of all-solid- state ammonium selective electrodes prepared by casting PVC membranes with nonactin on supports of graphite-epoxy composites containing a variable amount of graphite up to 60% is presented. It is shown that while supports made of composites with 30% or less of graphite provide no adequate response characteristics, the variation of the percentage of graphite between 40 and 60% has no influence neither on the slope and standard potential temperature coefficients of the electrodes, nor on their isopotential point concentrations. The temperature hysteresis of the electrodes was found to be limited and also independent of the amount of graphite in the composite.",

keywords = "Conductive epoxy electrode, Graphite-epoxy composite, Nonactin ammonium electrodes, PVC membrane ammonium electrodes, Temperature effects",

author = "{M.c.s. Magalh{\~a}es}, J{\`u}lia and Francisco C{\'e}spedes and Salvador Alegret and {A.s.c. Machado}, Ad{\'e}lio",

year = "1997",

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day = "28",

doi = "10.1016/S0003-2670(97)00484-4",

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Study of the temperature behaviour of all-solid-state nonactin ammonium electrodes with PVC membrane applied to graphite-epoxy supports of varied composition. / M.c.s. Magalhães, Jùlia; Céspedes, Francisco; Alegret, Salvador; A.s.c. Machado, Adélio.

In: Analytica Chimica Acta, Vol. 355, No. 2-3, 28.11.1997, p. 241-247.

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

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T1 - Study of the temperature behaviour of all-solid-state nonactin ammonium electrodes with PVC membrane applied to graphite-epoxy supports of varied composition

AU - M.c.s. Magalhães, Jùlia

AU - Céspedes, Francisco

AU - Alegret, Salvador

AU - A.s.c. Machado, Adélio

PY - 1997/11/28

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N2 - A study of the effect of the temperature on the response of all-solid- state ammonium selective electrodes prepared by casting PVC membranes with nonactin on supports of graphite-epoxy composites containing a variable amount of graphite up to 60% is presented. It is shown that while supports made of composites with 30% or less of graphite provide no adequate response characteristics, the variation of the percentage of graphite between 40 and 60% has no influence neither on the slope and standard potential temperature coefficients of the electrodes, nor on their isopotential point concentrations. The temperature hysteresis of the electrodes was found to be limited and also independent of the amount of graphite in the composite.

AB - A study of the effect of the temperature on the response of all-solid- state ammonium selective electrodes prepared by casting PVC membranes with nonactin on supports of graphite-epoxy composites containing a variable amount of graphite up to 60% is presented. It is shown that while supports made of composites with 30% or less of graphite provide no adequate response characteristics, the variation of the percentage of graphite between 40 and 60% has no influence neither on the slope and standard potential temperature coefficients of the electrodes, nor on their isopotential point concentrations. The temperature hysteresis of the electrodes was found to be limited and also independent of the amount of graphite in the composite.

KW - Conductive epoxy electrode

KW - Graphite-epoxy composite

KW - Nonactin ammonium electrodes

KW - PVC membrane ammonium electrodes

KW - Temperature effects

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DO - 10.1016/S0003-2670(97)00484-4

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