Facile preparation of magnetic graphene oxide/nanoscale zerovalent iron adsorbent for magnetic solid-phase extraction of ultra-trace quinolones in milk samples.

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ID: 107108
2020
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Abstract
A simple pH-responsive magnetic solid phase extraction method was developed using graphene oxide-coated nanoscale zerovalent iron nanoparticles as an efficient adsorbent prior to HPLC-MS/MS for determination of ultra-trace quinolones in milk samples. Various parameters affecting maghemite synthesis and separation such as pH of sample solution, amount of magnetic adsorbent, eluent type and volume were optimized. The limits of detection are from 3.1 ng L to 13.3 ng L . The intra- and inter-precision values are in the range of 2.9-6.9% and 7.6-15.1%, respectively. Recoveries are from 82.4% to 103.9%. Therefore, this simple and sensitive method is suitable for detecting ultra-trace quinolone residues in milk. This article is protected by copyright. All rights reserved.
Reference Key
wei2020facilejournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wei, Dan;Guo, Ming;
Journal journal of separation science
Year 2020
DOI
10.1002/jssc.202000108
URL
Keywords
magnetic solid phase extraction magnetic graphene oxide quinolones high performance liquid chromatography-mass spectrometry

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