By Peter Ulbig, Johannes Seippel (auth.), Imre Dékány (eds.)
This quantity specializes in adsorption of strategies on good surfaces utilizing varied experimental equipment. coaching and characterization of nanoparticles, nanocomposites are an enticing subject matter for fabric scientists. The environmental points 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 sleek colloid technology is given.
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12) assuming dierent values of the electrokinetic slipping plane separation, s, from 5 to 20 AÊ. No signi®cant eect of the choice of s value on the ®nal results was found. The value of s 15 AÊ was used in further calculations because it was found to be representative for the metal oxide aqueous interface [10±13]. The surface charge density, rs ( )rd), was calculated from the /d potential via Eq. (11). In the next step of the interpretation one calculates r0±F C(MOH2+áA)) from rs and C(MOH+ 2 á L)) using Eq.
7 The adsorption isotherm at phosphate species on hematite calculated by Eq. (7) (coverage in arbitrary units) With respect to Eq. (5), by plotting the 1/I values against the concentration of phosphate species linear relationships are obtained as shown by Figs. 998, respectively). 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.
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).