期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1487, 期 -, 页码 22-29出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2017.01.046
关键词
Metal-organic framework material; Fe@MIL-101; Magnetic solid phase extraction; Polycyclic aromatic hydrocarbons
资金
- National Natural Science Foundation of China [21377167]
Metal-organic framework material has been paid more attention because of its good physical and chemical properties. Nanoscale zero valent iron is also in the center of concern recently. Combination of their merits will give impressive results. Present study firstly synthesized a new magnetic nanomaterial nano-scale zero valent iron-functionalized metal-organic framworks MIL-101 (Fe@MIL-101) by co-precipitation method. The morphology and structure of the as-prepared Fe@MIL-101 were characterized by transmission electron microscopy and X-ray diffraction, etc. The experimental results showed that Fe@MIL-101 earned good adsorption ability to polycyclic aromatic hydrocarbons. The limits of detection of developed magnetic solid phase extraction were all below 0.064 mu gL(-1) and precision can be expressed as relative standard deviation (RSD, %) and which was better than 4.4% (n = 6). The real water analysis indicated that the spiked recoveries were satisfied, and Fe@MIL-101 earned excellent reusability. All these demonstrated that Fe@MIL-101 exhibited excellent adsorption capability to polycyclic aromatic hydrocarbons and would be a good adsorbent for development of new monitoring methods for environmental pollutants. (C) 2017 Elsevier B.V. All rights reserved.
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