By Peter Ulbig, Johannes Seippel (auth.), Imre Dékány (eds.)
This quantity makes a speciality of adsorption of options on sturdy surfaces utilizing diversified experimental tools. education and characterization of nanoparticles, nanocomposites are a fascinating subject matter for cloth scientists. The environmental elements of adsorption and the houses of dispersions and microemulsions, surfactants, polymers, clay minerals, are handled and a precis of the present leads to interfacial phenomena and glossy colloid technology is given.
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Additional info for Adsorption and Nanostructure
The existence of this linear relationship con®rms the initial assumption of the applicability of the Langmuir isotherm for the speci®c adsorption of both anions. The shape of the adsorption isotherm of the phosphate species can be obtained for both adsorbents using Eq. (7). The results are shown in Figs. 6 and 7. Only the shape of the curves in terms of arbitrary coverage values can be given at the present stage of the studies; nevertheless, the results obtained clearly demonstrate that the main tendencies of phosphate adsorption can be followed easily by the indirect radiotracer technique.
11±14]. The principle of the method used in the present study is the measurement of radiation intensity originating from adsorbed species on a powdered oxide layer sprinkled on a thin plastic foil that serves simultaneously as the window for the radiation measurement. The measurements were carried out at ambient temperature in an Ar atmosphere, bubbling Ar in the solution phase and letting it through the gap between the bottom of the measuring cell and the detector. Labeled H2SO4 was used (Amershem, speci®c activity: 200 MBqmmol)1) for the preparation of the solutions.
Lewandowski D. KovacÏevicÂ á A. CÏop á A. Bradetic N. O. : +385-1-4895502 Fax: +385-1-4829958 A. -D. Narres H. Lewandowski Institute for Applied Physical Chemistry, Research Centre JuÈlich, 52425 JuÈlich, Germany ADSORPTION AT SOLID/LIQUID INTERFACES Interfacial equilibria at a goethite aqueous interface in the presence of amino acids Abstract Adsorption of o-, m- and p-aminobenzoic acid on goethite was investigated by means of adsorption and electrokinetic measurements and was interpreted on the basis of the surface complexation model (SCM).
Adsorption and Nanostructure by Peter Ulbig, Johannes Seippel (auth.), Imre Dékány (eds.)