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Updated: Jan 14, 2026
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Published on: December 6, 2021
Mn3O4-MnOOH Nanocomposite-Based Dispersive Solid-Phase Preconcentration Strategy for Sensitive Determination of
1Selçuk University, Faculty of Pharmacy, Department of Analytical Chemistry, 42130 Konya, Türkiye.
Background:
The determination of cobalt in water samples (test samples) is crucial, as it is an essential metal; yet, both deficiency and excessive intake may contribute to detrimental effects in humans and animals.
Objective:
In this study, a dispersive solid-phase extraction (DSPE) procedure was developed for the determination of trace amounts of cobalt using flame atomic absorption spectrometry (FAAS).
Methods:
The Mn3O4-MnOOH nanocomposite was synthesized to be used as a sorbent in the preconcentration of cobalt.
Results:
The enhancement in the detection power of the developed analytical method was quantified by the ratio of the detection limits of the Mn3O4-MnOOH-DSPE-FAAS and FAAS systems, revealing a 15-fold increase with the Mn3O4-MnOOH-DSPE-FAAS method.
Conclusion:
The recovery results obtained in tap water for the determination of trace amounts of cobalt demonstrated the applicability and accuracy of the developed method.
Highlights:
A sensitive analytical strategy was developed for Co. High recovery results were obtained under optimum conditions.
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