ListarQuímica Analítica - (QA) por tema "Magnetic graphene oxide"
Mostrando ítems 1-8 de 8
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Development of an on-line MSPE-ICP-OES method for the preconcentration and speciation of Cr(III)/Cr(VI) in aqueous samples
(2021-01-08)In this work, a new double-reactor method for the analysis and speciation of trace amounts of Cr(III)/Cr(VI) ions in environmental samples has been developed combining on-line magnetic solid phase extraction (MSPE) with ... -
Magnetic dispersive solid phase extraction for simultaneous enrichment of cadmium and lead in environmental water samples
(Elsevier, 2020-03-05)A new magnetic dispersive solid phase extraction (MDSPE) method and graphite furnace atomic absorption spectrometry (GFAAS) have been combined for the simultaneous enrichment of Cd and Pb from environmental water samples ... -
Magnetic graphene molecularly imprinted polypyrrole polymer (MGO@MIPy) for electrochemical sensing of malondialdehyde in serum samples
(Elsevier, 2022-03-12)A modified screen-printed carbon electrode (SPCE) has been designed and fabricated for the determination of malondialdehyde (MDA), an important biomarker of oxidative stress. Magnetic graphene oxide (MGO) was synthesized ... -
Magnetic graphene oxide as a valuable material for the speciation of trace elements
(Elsevier, 2022-12)Magnetic solid phase extraction (MSPE) has been explored for the application in preconcentration processes to achieve highly sensible analytical methods. Attending to the different magnetic adsorbent materials used in this ... -
Optimization of the mechanochemical synthesis of graphene oxide and its characterization. Application to the synthesis of magnetic graphene oxide.
(2023)Nowadays, the use of materials derived from graphene oxide (GO) is extended in the technologycal industry and research due to their excellent physico-chemical properties. This fact invites us to investigate a sustainable ... -
Semiautomatic method for the ultra-trace arsenic speciation in environmental and biological samples via magnetic solid phase extraction prior to HPLC-ICP-MS determination
(Elsevier B.V., 2021)A novel magnetic functionalized material based on graphene oxide and magnetic nanoparticles (MGO) was used to develop a magnetic solid phase extraction method (MSPE) to enrich both, inorganic and organic arsenic species ... -
Simultaneous determination of noble metals, Sb and Hg by magnetic solid phase extraction on line ICP OES based on a new functionalized magnetic graphene oxide
(Elsevier, 2019)The aim of this study is to evaluate the extraction capacity of a new functionalized magnetic graphene oxide (MGO) to be employed in the automatic simultaneous preconcentration-determination of a relatively large number ... -
Simultaneous enrichment of inorganic and organic species of lead, mercury and vanadium via magnetic solid phase extraction prior to HPLC-ICP-MS determination using a new functionalized patented nanomaterial
(X NyNA 2022, 2022-09)A novel magnetic functionalized nanomaterial based on graphene oxide and magnetic nanoparticles (MGO) was prepared and characterized by several spectroscopic and imaging techniques. This material was packed in a magnetic ...