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Magnetic Solid-Phase Extraction Of Trace Cobalt(Ii) On Iron Oxide-Hexagonal Boron Nitride In Water And Food Samples, Mustafa Soylak, Ali Mohammednour Ali Mohammed, Furkan Uzcan
Magnetic Solid-Phase Extraction Of Trace Cobalt(Ii) On Iron Oxide-Hexagonal Boron Nitride In Water And Food Samples, Mustafa Soylak, Ali Mohammednour Ali Mohammed, Furkan Uzcan
Turkish Journal of Chemistry
Determination of trace cobalt(II) (Co(II)) in real samples remains challenging because of its very low concentration and strong matrix interferences. In this study, a simple and green magnetic solid-phase extraction (mSPE) method was developed for the selective separation and preconcentration of Co(II) ions using a newly designed iron oxide/hexagonal boron nitride (IOhBN) nanocomposite. The material was synthesized through a one-step, surfactant-free coprecipitation process, combining the high surface area, stability, and layered structure of hBN with the magnetic and reactive features of Fe₃O₄ nanoparticles. This hybrid structure provided abundant active sites and rapid magnetic separability, enabling efficient extraction within 5 min …