An impedimetric approach for determination of ammonium using silver/poly-1-aminoanthraquinone/carbon paste electrode.

Mahmoud Fatehy Altahan, Amr Mohamed Beltagi, Magdi Abdel-Azzem, Mona A El-Attar

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Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Mahmoud Fatehy AltahanCentral Laboratory for Environmental Quality Monitoring, National Water Research Center, El-Qanater El-Khairia, 13621, Egypt. mahmoud_abdalqader@nwrc.gov.eg.ORCID https://orcid.org/0000-0002-8447-2907

Amr Mohamed BeltagiChemistry Department, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt.

Magdi Abdel-AzzemChemistry Department, Faculty of Science, Menoufia University, Shibin El-Kom, 32511, Egypt.ORCID https://orcid.org/0000-0003-4434-2427

Mona A El-AttarHigh Institute of Engineering & Technology (THIET), Tanta, 31739, Egypt.ORCID https://orcid.org/0000-0001-7103-4505

Funding

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6 · The paper itself

Abstract

Here, we present the electrochemical determination of ammonium in water samples, emphasizing the importance of accurate and precise assessment of its concentration. The modified electrode used in this study was fabricated through the anodic polymerization of 1-aminoanthraquinone (1-AAQ) and deposition of silver particles into a carbon paste electrode. The fabrication process involved cyclic voltammetry in a 0.1 M HCl solution, followed by the application of a potential of 0.2 V for 75 s. The resulting Ag/poly-1-AAQ/CPE exhibited remarkable electrochemical properties, as confirmed by scanning electron spectroscopy (SEM), energy-dispersive X-ray analysis (EDX), and elemental mapping. The successful deposition of silver at percentages of 12.07% on Ag/CPE and 0.75% on Ag/poly-1-AAQ/CPE was observed. The Ag/poly-1-AAQ/CPE was employed for impedimetric determination of ammonium in a solution of 0.1 M Na

Indexed as

Ammonium sensorElectrochemical impedance spectroscopyImpedimetric sensorPoly-aminoanthraquinone based sensorSilver-based sensor

Identifiers

PMID39122877

DOI10.1038/s41598-024-68321-x

PMCPMC11315979

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