Polymethacrylate Matrix with Immobilized Acid-Base Indicators as pH Sensor

Abstract

The paper demonstrates possibility of using a polymethacrylate matrix(PMM) to the immobilization conventional volumetric pH indicators.Acid-base properties of the indicators immobilized into PMM were studied. It was found that immobilization of pH indicators into PMM led to changes in the absorption maximum of both basic and acidic forms of pH indicators. The pK_a values of pH indicator immobilized into the PMM also changed in comparison with the solution. The immobilization of pH indicators into PMM enabled to extend its a pH indicating range compared with solution. The possibility of using a pH indicator immobilized into the PMM as pH sensors was shown.

Original language	English
Pages (from-to)	477-480
Number of pages	4
Journal	Procedia Engineering
Volume	168
DOIs	https://doi.org/10.1016/j.proeng.2016.11.134
Publication status	Published - 2016
Event	30th Eurosensors Conference, Eurosensors 2016 - Budapest, Hungary Duration: 4 Sep 2016 → 7 Sep 2016

Keywords

acid-base indicators
pH determination
pH sensor
polymethacrylate matrix

ASJC Scopus subject areas

Engineering(all)

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10.1016/j.proeng.2016.11.134

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@article{0868c36921164e559604e58a2eba2a10,

title = "Polymethacrylate Matrix with Immobilized Acid-Base Indicators as pH Sensor",

abstract = "The paper demonstrates possibility of using a polymethacrylate matrix(PMM) to the immobilization conventional volumetric pH indicators.Acid-base properties of the indicators immobilized into PMM were studied. It was found that immobilization of pH indicators into PMM led to changes in the absorption maximum of both basic and acidic forms of pH indicators. The pKa values of pH indicator immobilized into the PMM also changed in comparison with the solution. The immobilization of pH indicators into PMM enabled to extend its a pH indicating range compared with solution. The possibility of using a pH indicator immobilized into the PMM as pH sensors was shown.",

keywords = "acid-base indicators, pH determination, pH sensor, polymethacrylate matrix",

author = "Alexey Sukhanov and Anastasia Ovsyannikova and Natalya Gavrilenko and Nadezhda Saranchina",

note = "Funding Information: This work was partly supported by Russian Science Foundation (project 141900926). Publisher Copyright: {\textcopyright} 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.; 30th Eurosensors Conference, Eurosensors 2016 ; Conference date: 04-09-2016 Through 07-09-2016",

year = "2016",

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language = "English",

volume = "168",

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AU - Sukhanov, Alexey

AU - Ovsyannikova, Anastasia

AU - Gavrilenko, Natalya

AU - Saranchina, Nadezhda

N1 - Funding Information: This work was partly supported by Russian Science Foundation (project 141900926). Publisher Copyright: © 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.

PY - 2016

Y1 - 2016

N2 - The paper demonstrates possibility of using a polymethacrylate matrix(PMM) to the immobilization conventional volumetric pH indicators.Acid-base properties of the indicators immobilized into PMM were studied. It was found that immobilization of pH indicators into PMM led to changes in the absorption maximum of both basic and acidic forms of pH indicators. The pKa values of pH indicator immobilized into the PMM also changed in comparison with the solution. The immobilization of pH indicators into PMM enabled to extend its a pH indicating range compared with solution. The possibility of using a pH indicator immobilized into the PMM as pH sensors was shown.

AB - The paper demonstrates possibility of using a polymethacrylate matrix(PMM) to the immobilization conventional volumetric pH indicators.Acid-base properties of the indicators immobilized into PMM were studied. It was found that immobilization of pH indicators into PMM led to changes in the absorption maximum of both basic and acidic forms of pH indicators. The pKa values of pH indicator immobilized into the PMM also changed in comparison with the solution. The immobilization of pH indicators into PMM enabled to extend its a pH indicating range compared with solution. The possibility of using a pH indicator immobilized into the PMM as pH sensors was shown.

KW - acid-base indicators

KW - pH determination

KW - pH sensor

KW - polymethacrylate matrix

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