Fe3O4-based composite magnetic nanoparticles for volatile compound sorption in the gas phase: determination of selenium(IV)

Irina Timofeeva; Mariya Alikina; Anna Vlasova; Mikhail Osmolowsky; Mikhail Voznesenskiy; Olga Volina; Leonid Moskvin; Olga Osmolovskaya; Andrey Bulatov

doi:10.1039/C8AN01894D

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Fe₃O₄-based composite magnetic nanoparticles for volatile compound sorption in the gas phase: determination of selenium(iv) †

Irina Timofeeva,

*^a Mariya Alikina,^a Anna Vlasova,^a Mikhail Osmolowsky,^a Mikhail Voznesenskiy,^a Olga Volina,^a Leonid Moskvin,^a Olga Osmolovskaya^a and Andrey Bulatov^a

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* Corresponding authors

^a Department of Analytical Chemistry, Institute of Chemistry, Saint-Petersburg University, St Petersburg State University, SPbSU, SPbU, 7/9 Universitetskaya nab., St Petersburg, 199034 Russia
E-mail: i.i.timofeeva@spbu.ru

Abstract

In this study, Fe₃O₄-based composite magnetic nanoparticles were found to separate volatile compounds directly in the gas phase for the first time. The phenomenon of H₂Se sorption on the magnetic nanoparticles was studied in detail and applied for separation and preconcentration. The developed approach was applied for the determination of selenium in dietary supplement samples after microwave digestion by ETA-AAS as a proof-of-concept example.

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Article information

DOI: https://doi.org/10.1039/C8AN01894D
Article type: Communication
Submitted: 03 Oct 2018
Accepted: 15 Nov 2018
First published: 15 Nov 2018

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Analyst, 2019,144, 152-156

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Fe₃O₄-based composite magnetic nanoparticles for volatile compound sorption in the gas phase: determination of selenium(IV)

I. Timofeeva, M. Alikina, A. Vlasova, M. Osmolowsky, M. Voznesenskiy, O. Volina, L. Moskvin, O. Osmolovskaya and A. Bulatov, Analyst, 2019, 144, 152 DOI: 10.1039/C8AN01894D

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