Particle size, charge and colloidal stability of humic acids coprecipitated with Ferrihydrite.

  title={Particle size, charge and colloidal stability of humic acids coprecipitated with Ferrihydrite.},
  author={Ruggero Angelico and Andrea Ceglie and Ji-Zheng He and Yu-rong Liu and Giuseppe Palumbo and Claudio M. Colombo},
Humic acids (HA) have a colloidal character whose size and negative charge are strictly dependent on surface functional groups. They are able to complex large amount of poorly ordered iron (hydr)oxides in soil as a function of pH and other environmental conditions. Accordingly, with the present study we intend to assess the colloidal properties of Fe(II) coprecipitated with humic acids (HA) and their effect on Fe hydroxide crystallinity under abiotic oxidation and order of addition of both Fe… CONTINUE READING
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