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Synthesis of 3D Magnetic Porous Carbon Derived from Metal-Organic Framework for Extraction of Clenbuterol and Ractopamine in Mutton Samples

Abstract

Abstract 3D magnetic porous carbon (MPCK) was prepared with metal–organic framework (MOF) MIL-100(Fe) as carbon precursor using carbonisation and KOH activation strategies. Carbonisation and activation ensured that MPCK possessed excellent structural and thermal stability, strong magnetic responsiveness and high surface area. MPCK was then used as an adsorbent in magnetic solid-phase extraction of clenbuterol and ractopamine in mutton samples. The concentration levels of analytes were determined by ultra–high performance liquid chromatography–mass spectrometry. Under optimised extraction conditions, the peak area responded linearly to analytes over a concentration ranging from 0.05 μg/L to 40 μg/L (r≥0.9972). The detection limits of clenbuterol and ractopamine were at 0.130 μg/kg and 0.150 μg/kg, respectively, were obtained. The satisfactory recoveries in mutton samples ranging from 95.64% to 114.65% indicated that the 3D porous carbon is a promising adsorption material for extraction of clenbuterol and ractopamine in complex biological matrixes. Keywords: porous carbon; clenbuterol; metal-organic framework; magnetic solid-phase extraction

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Supplementary files

Article information


Submitted
21 Mar 2020
Accepted
18 May 2020
First published
23 May 2020

Analyst, 2020, Accepted Manuscript
Article type
Paper

Synthesis of 3D Magnetic Porous Carbon Derived from Metal-Organic Framework for Extraction of Clenbuterol and Ractopamine in Mutton Samples

X. Zhang, J. Wen, L. Lian, X. Ma, X. Wang and D. Lou, Analyst, 2020, Accepted Manuscript , DOI: 10.1039/D0AN00566E

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