期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 293, 期 1, 页码 377-381出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2005.02.034
关键词
solid phase extraction; magnetic adsorbents; non-ionic surfactants; activated carbon; magnetic PODMP; surfactant extraction; water purification
Magnetic solid phase extraction was tested for the preconcentration of non-ionic surfactants based on oxyethylated nonylphenol, aliphatic alcohols and hydrogenated fatty acid methyl esters from water. Magnetic hydrophobic adsorbents exhibited the best extraction characteristics. Surfactants with the middle oxyethylation level were extracted efficiently while the extraction of surfactants with low and high oxyethylation levels was very low. (c) 2005 Elsevier B.V. All rights reserved.
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