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Digitale Medien

Donator acceptor behavior of aerosil in several organic liquids (1991)

Spange, S. ; Simon, F. ; Heublein, G. ; [weitere]

Springer

Colloid & polymer science 269 (1991), S. 173-178

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Details

ISSN: 1435-1536

Schlagwort(e): Zeta-potential ; donator/acceptorbehavior ; surfaceinteraction ; aerosil ; silica

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Maschinenbau

Notizen: Abstract Aerosil is studied with regards to its acceptor behavior by means of electrokinetic measurements and UV measurements in various organic liquids. Whereas the values of the general negativ zeta-potential only approximately correspond with the donor number of the liquids determined according to Gutmann, Marie and Gal, and Kravtzov et al., an excellent agreement between zeta-potential and the UV maximum of a dicyano-bis(1,10-phenanthrolin)-ferric [Fe(phen)2(CN)2] complex adsorbed at the solid-liquid interface was found. The fact that traces of water decrease the negative zeta-potential of aearosil in organic liquids is attributed to hydration of the aerosil surface.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00660308

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