Removal of Fluorescein using different iron oxides as adsorbents: effect of pH.

  title={Removal of Fluorescein using different iron oxides as adsorbents: effect of pH.},
  author={Silvina Pirillo and Laura M. Cornaglia and Mar{\'i}a Luj{\'a}n Ferreira and Elsa H. Rueda},
  journal={Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy},
  volume={71 2},
In this work the adsorption process of Fluorescein (dye with aril-methane group) as a function of pH on three different adsorbents: goethite, Co-goethite, and magnetite has been studied experimentally and theoretically. FTIR and Raman spectroscopy have been performed in an attempt to confirm the structure of surface complexes formed by sorption of the Fluorescein to different iron oxides. Typical anionic adsorption behaviour was observed for this dye onto goethite and Co-goethite whereas the… CONTINUE READING

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