Voltammetric determination of 4-Nitrophenol using a novel type of silver amalgam paste electrode

Abstract

A differential pulse voltammetric (DPV) method was developed for the determination of 4-nitrophenol (4-NP) at a newly developed silver amalgam paste electrode (AgA-PE) in Britton -Robinson buffer pH 3.0. The electrode is based on a disposable plastic pipette tip filled with paste amalgam based on a mixture of mercury and fine silver powder (9:1, w/w). The experimental parameters, such as pH of Britton -Robinson buffer and activation and regeneration potential of the electrode surface were optimized. The reduction peak current dependences were linear for the concentration of 4-NP from 0.2 to 100 mM. The method showed reproducible results with RSD (n=45) of 1.7%. The limit of determination (LOD) was 0.3 mM. The method was successfully applied for the direct determination of 4-NP in drinking water.

Original language	English
Pages (from-to)	1786-1791
Number of pages	6
Journal	Electroanalysis
Volume	21
Issue number	16
DOIs	https://doi.org/10.1002/elan.200904622
Publication status	Published - 1 Aug 2009
Externally published	Yes

Keywords

Drinking water
Environmental chemistry
Silver amalgam paste electrode
Voltammetry

ASJC Scopus subject areas

Analytical Chemistry
Electrochemistry

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10.1002/elan.200904622

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Niaz, A., Fischer, J., Barek, J., Yosypchuk, B., Sirajuddin, & Bhanger, M. I. (2009). Voltammetric determination of 4-Nitrophenol using a novel type of silver amalgam paste electrode. Electroanalysis, 21(16), 1786-1791. https://doi.org/10.1002/elan.200904622

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title = "Voltammetric determination of 4-Nitrophenol using a novel type of silver amalgam paste electrode",

abstract = "A differential pulse voltammetric (DPV) method was developed for the determination of 4-nitrophenol (4-NP) at a newly developed silver amalgam paste electrode (AgA-PE) in Britton -Robinson buffer pH 3.0. The electrode is based on a disposable plastic pipette tip filled with paste amalgam based on a mixture of mercury and fine silver powder (9:1, w/w). The experimental parameters, such as pH of Britton -Robinson buffer and activation and regeneration potential of the electrode surface were optimized. The reduction peak current dependences were linear for the concentration of 4-NP from 0.2 to 100 mM. The method showed reproducible results with RSD (n=45) of 1.7%. The limit of determination (LOD) was 0.3 mM. The method was successfully applied for the direct determination of 4-NP in drinking water.",

keywords = "Drinking water, Environmental chemistry, Silver amalgam paste electrode, Voltammetry",

author = "Abdul Niaz and Jan Fischer and Ji{\v r}{\'i} Barek and Bogdan Yosypchuk and Sirajuddin and Bhanger, {Muhammad Iqbal}",

year = "2009",

month = aug,

day = "1",

doi = "10.1002/elan.200904622",

language = "English",

volume = "21",

pages = "1786--1791",

journal = "Macromolecular Chemistry and Physics",

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T1 - Voltammetric determination of 4-Nitrophenol using a novel type of silver amalgam paste electrode

AU - Niaz, Abdul

AU - Fischer, Jan

AU - Barek, Jiří

AU - Yosypchuk, Bogdan

AU - Sirajuddin,

AU - Bhanger, Muhammad Iqbal

PY - 2009/8/1

Y1 - 2009/8/1

N2 - A differential pulse voltammetric (DPV) method was developed for the determination of 4-nitrophenol (4-NP) at a newly developed silver amalgam paste electrode (AgA-PE) in Britton -Robinson buffer pH 3.0. The electrode is based on a disposable plastic pipette tip filled with paste amalgam based on a mixture of mercury and fine silver powder (9:1, w/w). The experimental parameters, such as pH of Britton -Robinson buffer and activation and regeneration potential of the electrode surface were optimized. The reduction peak current dependences were linear for the concentration of 4-NP from 0.2 to 100 mM. The method showed reproducible results with RSD (n=45) of 1.7%. The limit of determination (LOD) was 0.3 mM. The method was successfully applied for the direct determination of 4-NP in drinking water.

AB - A differential pulse voltammetric (DPV) method was developed for the determination of 4-nitrophenol (4-NP) at a newly developed silver amalgam paste electrode (AgA-PE) in Britton -Robinson buffer pH 3.0. The electrode is based on a disposable plastic pipette tip filled with paste amalgam based on a mixture of mercury and fine silver powder (9:1, w/w). The experimental parameters, such as pH of Britton -Robinson buffer and activation and regeneration potential of the electrode surface were optimized. The reduction peak current dependences were linear for the concentration of 4-NP from 0.2 to 100 mM. The method showed reproducible results with RSD (n=45) of 1.7%. The limit of determination (LOD) was 0.3 mM. The method was successfully applied for the direct determination of 4-NP in drinking water.

KW - Drinking water

KW - Environmental chemistry

KW - Silver amalgam paste electrode

KW - Voltammetry

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