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In this work, a series of non-ionic hydro-fluorocarbon hybrid surfactants (C9F19CONH(CH2)3N(CmH2m+1)2, abbreviated as C9F19AM (m=1),C9F19AE (m=2) and C9F19AB (m=4) were easily synthesized by one-step reaction and characterized by 1HNMR, 19FNMR and MS spectroscopy. Unlike conventional non-ionic surfactants (most hydrophilic units consisted of hydroxy or ether groups), their hydrophilic groups were...
Cr (VI), which had a strong oxidation ability and migration capability, was one of the major metal pollutants in the water resources. Hematite nanoparticles, which acted as a kind of environmental repair material, could be used to deal with the metal ions contamination. In this paper, four different sizes of nanoparticles hematite were synthesized by sol–gel method and the samples were characterized...
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