Journal
ANALYTICAL METHODS
Volume 8, Issue 17, Pages 3528-3535Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ay00191b
Keywords
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Funding
- National Natural Science Foundation of China [31571925, 31471643]
- Innovation Research Program of the Department of Education of Hebei for Hebei Provincial Universities [LJRC009]
- Scientific and Technological Research Foundation of the Department of Education of Hebei Province [ZD2016085]
- Natural Science Foundations of Hebei [B2016204136]
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In this work, a nanoporous carbon/iron composite material designated as MIL-53-C was fabricated by one-step carbonization of an Fe-based metal-organic framework material MIL-53. The obtained MIL-53-C showed a high Brunauer-Emmett-Teller surface area (249.33 m(2) g(-1)), large pore volume (0.57 cm(3) g(-1)) and an excellent magnetic property (127.95 emu g(-1)). It was used as a magnetic solid-phase extraction adsorbent for the enrichment of some endocrine disrupting compounds from fruit juice and milk samples followed by high-performance liquid chromatographic analysis. Under optimum conditions, a good linearity for all analytes over the studied concentration range was achieved with a correlation coefficient higher than 0.9995. The limits of detection, based on S/N = 3, were 0.05-0.10 ng mL(-1) for fruit juice and 0.10-0.20 ng mL(-1) for milk samples. The recoveries of spiked samples ranged from 92.2% to 108.3%. These results indicated that the MIL-53-C exhibited an excellent adsorption capability for trace levels of EDCs, and it may also be a promising adsorbent for extraction and enrichment of other organic pollutants.
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