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A novel mixed hemimicelle-based solid-phase extraction method using cetyltrimethylammonium bromide (CTAB) adsorbed onto the surface of magnetic Fe3O4 nanoparticles was developed for extraction/preconcentration of ultra-trace amounts of indomethacin from biological fluids. Magnetic nanoparticles were synthesised via a simple chemical co-precipitation method and characterised by a transmission electron...
Herein, the preparation of amino-functionalized multiwalled carbon nanotubes (MWCNTs) by a two step reaction is described. First step is a one pot reaction for attaching the cyanide groups on the surfaces of MWCNTs and in second step, cyanide groups are reduced to -CH2NH2 in the presence of LiAlH4. The functionalized MWCNTs are characterized in detail using Raman, Fourier transform infrared (FTIR)...
Adsorption experiments of vapor-phase elemental mercury (Hg0) were carried out by using two types of chemically modified CTS/SiO2 sorbents in a laboratory-scale fixed-bed reactor. The characterizations of the sorbents were analyzed using the methods of nitrogen (N2) adsorption/desorption, field-scanning electron microscope (FSEM), Fourier transform infra-red spectroscopy (FTIR) and X-ray diffraction...
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