Optimized preconcentration method using magnetic dispersive solid-phase microextraction with GO–γFe2O3 nanoparticles for the determination of Se in fish samples by FIA-HG-AAS

This work describes the development of an analytical method for the preconcentration of Se in digested fish samples using magnetic nanoparticles of graphene oxide GO–γFe2O3 with detection by hydride generation atomic absorption spectrometry and flow injection analysis (FIA-HG-AAS). The magnetic nano...

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