The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum

Electrochemical oxidation of resorcinol on a polycrystalline platinum electrode was investigated in five different solutions, namely 0.5 and 0.1 M H2SO4, 0.5 M Na2SO4, 0.5 and 0.1 M NaOH. The rates of electro...

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Main Authors:	Tomasz Mikolajczyk, Mateusz Luba, Boguslaw Pierozynski, Ireneusz M. Kowalski, Wieslaw Wiczkowski
Format:	Article
Language:	English
Published:	MDPI AG 2019-06-01
Series:	Molecules
Subjects:	oxidation of resorcinol a.c. impedance spectroscopy energy dispersive X-ray spectroscopy 0.5 M H<sub>2</sub>SO<sub>4</sub> 0.5 M Na<sub>2</sub>SO<sub>4</sub> 0.1 M NaOH 0.1 M H<sub>2</sub>SO<sub>4</sub> 0.5 M NaOH
Online Access:	https://www.mdpi.com/1420-3049/24/12/2309

id	doaj-520872f858df4232af261265bda8d403
record_format	Article
spelling	doaj-520872f858df4232af261265bda8d4032020-11-24T21:21:47ZengMDPI AGMolecules1420-30492019-06-012412230910.3390/molecules24122309molecules24122309The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline PlatinumTomasz Mikolajczyk0Mateusz Luba1Boguslaw Pierozynski2Ireneusz M. Kowalski3Wieslaw Wiczkowski4Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Plac Lodzki 4, 10-727 Olsztyn, PolandDepartment of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Plac Lodzki 4, 10-727 Olsztyn, PolandDepartment of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Plac Lodzki 4, 10-727 Olsztyn, PolandDepartment of Rehabilitation, Faculty of Medical Sciences, University of Warmia and Mazury in Olsztyn, Zolnierska 14C Street, 10-561 Olsztyn, PolandInstitute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Street, 10-748 Olsztyn, PolandElectrochemical oxidation of resorcinol on a polycrystalline platinum electrode was investigated in five different solutions, namely 0.5 and 0.1 M H<sub>2</sub>SO<sub>4</sub>, 0.5 M Na<sub>2</sub>SO<sub>4,</sub> 0.5 and 0.1 M NaOH. The rates of electrochemical degradation of resorcinol were determined based on the obtained reaction parameters, such as resistance, capacitance and current-density. The electrochemical analyses (cyclic voltammetry and a.c. impedance spectroscopy) were carried-out by means of a three-compartment, Pyrex glass cell. These results showed that the electrochemical oxidation of resorcinol is strongly pH-dependent. In addition, the energy dispersive X-ray (EDX) spectroscopy technique was employed for Pt electrode surface characterization. Additionally, the quantitative determination of resorcinol removal was performed by means of instrumental high-performance liquid chromatography/mass spectrometry (HPLC/MS) methodology.https://www.mdpi.com/1420-3049/24/12/2309oxidation of resorcinola.c. impedance spectroscopyenergy dispersive X-ray spectroscopy0.5 M H<sub>2</sub>SO<sub>4</sub>0.5 M Na<sub>2</sub>SO<sub>4</sub>0.1 M NaOH0.1 M H<sub>2</sub>SO<sub>4</sub>0.5 M NaOH
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Tomasz Mikolajczyk Mateusz Luba Boguslaw Pierozynski Ireneusz M. Kowalski Wieslaw Wiczkowski
spellingShingle	Tomasz Mikolajczyk Mateusz Luba Boguslaw Pierozynski Ireneusz M. Kowalski Wieslaw Wiczkowski The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum Molecules oxidation of resorcinol a.c. impedance spectroscopy energy dispersive X-ray spectroscopy 0.5 M H<sub>2</sub>SO<sub>4</sub> 0.5 M Na<sub>2</sub>SO<sub>4</sub> 0.1 M NaOH 0.1 M H<sub>2</sub>SO<sub>4</sub> 0.5 M NaOH
author_facet	Tomasz Mikolajczyk Mateusz Luba Boguslaw Pierozynski Ireneusz M. Kowalski Wieslaw Wiczkowski
author_sort	Tomasz Mikolajczyk
title	The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum
title_short	The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum
title_full	The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum
title_fullStr	The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum
title_full_unstemmed	The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum
title_sort	influence of solution ph on the kinetics of resorcinol electrooxidation (degradation) on polycrystalline platinum
publisher	MDPI AG
series	Molecules
issn	1420-3049
publishDate	2019-06-01
description	Electrochemical oxidation of resorcinol on a polycrystalline platinum electrode was investigated in five different solutions, namely 0.5 and 0.1 M H<sub>2</sub>SO<sub>4</sub>, 0.5 M Na<sub>2</sub>SO<sub>4,</sub> 0.5 and 0.1 M NaOH. The rates of electrochemical degradation of resorcinol were determined based on the obtained reaction parameters, such as resistance, capacitance and current-density. The electrochemical analyses (cyclic voltammetry and a.c. impedance spectroscopy) were carried-out by means of a three-compartment, Pyrex glass cell. These results showed that the electrochemical oxidation of resorcinol is strongly pH-dependent. In addition, the energy dispersive X-ray (EDX) spectroscopy technique was employed for Pt electrode surface characterization. Additionally, the quantitative determination of resorcinol removal was performed by means of instrumental high-performance liquid chromatography/mass spectrometry (HPLC/MS) methodology.
topic	oxidation of resorcinol a.c. impedance spectroscopy energy dispersive X-ray spectroscopy 0.5 M H<sub>2</sub>SO<sub>4</sub> 0.5 M Na<sub>2</sub>SO<sub>4</sub> 0.1 M NaOH 0.1 M H<sub>2</sub>SO<sub>4</sub> 0.5 M NaOH
url	https://www.mdpi.com/1420-3049/24/12/2309
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The Influence of Solution pH on the Kinetics of Resorcinol Electrooxidation (Degradation) on Polycrystalline Platinum

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