Goethite, hematite and ferrihydrite

Examples include the oxalate (10 M) promoted dissolution of goethite, hematite and ferrihydrite over the pH range 3-5 (Fig. 12.2) in the absence of the ligand, dissolution at this pH is essentially zero (Stumm et al., 1985). 

Production of iron oxides on substrates or in confined spaces Goethite, hematite and ferrihydrite... 

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