Competition between selenium (IV) and silicic acid on the hematite surface.

  title={Competition between selenium (IV) and silicic acid on the hematite surface.},
  author={Norbert Jordan and Nicolas Marmier and Claire Lomenech and Eric Giffaut and J. Ehrhardt},
  volume={75 1},
Competition between selenium (IV) and silicic acid for the hematite (alpha-Fe(2)O(3)) surface has been studied during this work. Single batch experiments have been performed to study separately the sorption of selenium (IV) and silicic acid as a function of the pH. With the help of the 2-pK surface complexation model, experimental data have been fitted using the FITEQL 4.0 program. Two monodentate inner-sphere surface complexes have been used to fit selenite ions retention, triple bond FeSeO(3… CONTINUE READING

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