Voltammetric determination of hydroxylamine using zinc ferrite nanoparticles/Mn(III) salen-doped carbon paste electrode: Original scientific paper

Rasha M. Dadoosh; Athraa   H. Oraibi; Noor Faraj  Kadhem; Sabaa  Abd Jaber; Muntaha  Harjan Elewi

doi:10.5599/jese.3648

Authors

Rasha M. Dadoosh Chemistry Department, College of Science, Mustansiriyah University, Baghdad, Iraq https://orcid.org/0000-0002-8475-0663
Athraa H. Oraibi Polymer Research Unit, College of Science, Mustansiriyah University, Baghdad, Iraq https://orcid.org/0009-0008-8457-9596
Noor Faraj Kadhem Polymer Research Unit, College of Science, Mustansiriyah University, Baghdad, Iraq https://orcid.org/0009-0007-5997-1783
Sabaa Abd Jaber College of Engineering, Al-Iraqia University, Baghdad, Iraq https://orcid.org/0009-0008-3912-9254
Muntaha Harjan Elewi Scientific Research Commission, Baghdad, Iraq https://orcid.org/0009-0005-7447-4035

DOI:

https://doi.org/10.5599/jese.3648

Keywords:

Voltammetry, chemically modified electrode, water analysis, environmental pollution

Abstract

Modification of carbon paste electrode (CPE) with ZnFe₂O₄ nanoparticles and Mn(III) salen (ZFO/salen/CPE) and its application in the measurement of hydroxylamine (HX) are the topics of this work. Differential pulse voltammetry, chronoamperometry and cyclic voltammetry (CV) were used in the investigations of the ZFO/salen/CPE for the electrochemical analysis of hydroxylamine. Because of the synergistic effect of the Mn(III) salen and ZnFe₂O₄ nanoparticles, the CV analyses showed improved catalytic behaviour of ZFO/salen/CPE toward the electrochemical reaction of HX. The linear range and HX detection limit were found to be 50 nM to 0.30 mM and 20 nM, respectively, using SWV. Long-term stability and reproducibility were demonstrated by this sensor. To confirm the sensor's appropriateness for use, HX measurement in water samples was carried out.

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Voltammetric determination of hydroxylamine using zinc ferrite nanoparticles/Mn(III) salen-doped carbon paste electrode

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