Scalable surface area characterization by electrokinetic analysis of complex anion adsorption.

  title={Scalable surface area characterization by electrokinetic analysis of complex anion adsorption.},
  author={Dorian A. H. Hanaor and Maliheh Ghadiri and Wojciech Chrzanowski and Yixiang Gan},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  volume={30 50},
By means of the in situ electrokinetic assessment of aqueous particles in conjunction with the addition of anionic adsorbates, we develop and examine a new approach to the scalable characterization of the specific accessible surface area of particles in water. For alumina powders of differing morphology in mildly acidic aqueous suspensions, the effective surface charge was modified by carboxylate anion adsorption through the incremental addition of oxalic and citric acids. The observed zeta… 

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