期刊
CHEMOSPHERE
卷 93, 期 7, 页码 1324-1332出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2013.07.050
关键词
Lindane; Zero-valent iron nanoparticles; SPE; HS-SPME
资金
- Bizkaia Council [DFB PLC NANOREM, SAIOTEK S-PE11UN134, IT47-10, UFI 11/23]
- Basque Country Government [DFB PLC NANOREM, SAIOTEK S-PE11UN134, IT47-10, UFI 11/23]
- University of Basque Country [DFB PLC NANOREM, SAIOTEK S-PE11UN134, IT47-10, UFI 11/23]
- University of Basque Country
Zero-valent iron nanoparticles (NZVI) as well as polymer-stabilized nanoparticles were synthesized and used for lindane (gamma-hexachlorocyclohexane) degradation in aqueous solution. To study the effectiveness of the different coated nanoparticles, simple and rapid analytical methods have been developed to measure and to detect lindane and its by-products. For the monitorization of lindane degradation solid-phase extraction (SPE) was used, while volatile by-products formation measurement was carried out by head-space-solid phase microextraction (HS-SPME) followed by GC/MS. The SPE-GC/MS method provides low detection limits (0.2 mu g L-1), high recovery (above 95%) and it is a valuable tool for kinetic studies of the degradation process for each polymer used, while HS-SPME-GC/MS has proved to be an effective tool for the extraction and evaluation of volatile degradation by-products. (C) 2013 Elsevier Ltd. All rights reserved.
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