Adsorption of phosphate on goethite: An undergraduate research laboratory project

Lorena Tribe, Beatriz C. Barja

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Adsorption experiments are rarely included in undergraduate general chemistry laboratories, even though this phenomenon is of great importance from both applied and theoretical points of view. We present a laboratory experiment on the adsorption of phosphate on goethite (an iron oxide, α-FeOOH) as a case study that opens the doors to the discussion of surface properties, interfaces, acid-base equilibrium, molecular structure, and solid state chemistry, among other topics. We also describe a pedagogical implementation of this experiment that allows students to work cooperatively.

Original languageEnglish (US)
Pages (from-to)1624-1627
Number of pages4
JournalJournal of Chemical Education
Issue number11
StatePublished - Nov 2004

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Education


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