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  • aerosil  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 269 (1991), S. 173-178 
    ISSN: 1435-1536
    Keywords: Zeta-potential ; donator/acceptorbehavior ; surfaceinteraction ; aerosil ; silica
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: 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.
    Type of Medium: Electronic Resource
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