Zeolite/Fe3O4 as a new sorbent in magnetic solid-phase extraction followed by gas chromatography for determining phthalates in aqueous samples

Journal of Separation Science
Afsaneh MollahosseiniMarzieh Kamankesh

Abstract

In the present study, for the first time, we successfully employed zeolite/Fe3O4 as a new magnetic nanoparticle sorbent in magnetic solid-phase extraction for determining phthalates in aqueous samples. Gas chromatography with flame ionization detection was used to detect the target analytes as a powerful instrumental analysis. Affecting parameters in the extraction process, including the amount of adsorbent, adsorption and desorption time, and volume of desorption solvent, were optimized using a response surface methodology based on central composite design. Under the optimum conditions, the linear range for dibutyl phthalate and bis(2-ethylhexyl phthalate) was varied in the interval of 10-1700 and 10-1200 μg/L, respectively. Limits of detection were 2.80 μg/L for dibutyl phthalate and 3.20 μg/L for bis(2-ethylhexyl phthalate). The recovery value for the extraction of target analytes was between 97 and 111%. The repeatability and reproducibility of the new proposed method were obtained: 10-13% and 13-13.5%, respectively. The increased sensitivity in using the proposed method has been demonstrated. Compared with previous methods, the new proposed method is an accurate, rapid, and reliable sample-pretreatment method.

References

Jul 30, 2003·Journal of Chromatography. a·Elefteria Psillakis, Nicolas Kalogerakis
Sep 9, 2004·Chemical Reviews·Brian L CushingCharles J O'Connor
Jun 4, 2005·Analytical and Bioanalytical Chemistry·Gerda K MortensenNiels E Skakkebaek
Mar 2, 2011·Journal of Separation Science·Ru-Song ZhaoChuan-Ge Cheng
Jul 28, 2015·Biomaterials Science·Dongfang ZhouYubin Huang

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Citations

May 17, 2019·Journal of Chromatographic Science·Afsaneh MollahosseiniAbdorreza Mohammadi
Oct 7, 2017·Journal of Separation Science·Fernando MayaVíctor Cerdà
Sep 19, 2019·Environmental Science and Pollution Research International·Elmira S MirjavadiAli Khadir
Jun 8, 2021·Critical Reviews in Analytical Chemistry·Sushmita SalveRakesh Kumar Tekade

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