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Interactions of iron(II) and iron(III) with gallic acid and its homologues: a potentiometric and spectrophotometric study
Abstract
The reactions between iron(III) and the phenols gallic acid, catechol, protocatechuic acid and pyrogallol have been studied in aqueous solution at 25ºC ( I 0.10 M KCl). From spectrophotometric and pH titration data it was established that (i) complexes with 1 : 1, 1 : 2 and 1 : 3 (M : L) stoichiometry are formed in oxygenated solution, (ii) the redox reaction given at low pH by these ligands Fe3+ + ½phenol ? Fe2+ + ½quinone + H+ is not reversed by complexing of Fe3+ at higher pH, and (iii) the percentage composition of iron(II) and iron(III) in solutions of these ligands is a function of ER (ligand), the pH and age of solutions and the partial pressure of dissolved oxygen.
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Cited by
A Review of the Antioxidant Mechanisms of Polyphenol Compounds Related to Iron Binding
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Metal‐Mediated Cross‐Linking in the Generation of a Marine‐Mussel Adhesive
Sever, M. J., Weisser, J. T., Monahan, J., Srinivasan, S., & Wilker, J. J. (2004) · Angewandte Chemie International Edition · doi:10.1002/anie.200352759 · Cited by 486
Raymond, K. N., Müller, G., & Matzanke, B. F. (1984) · Topics in Current Chemistry · doi:10.1007/3-540-13099-3_2 · Cited by 357
Schmid, N. B., Giehl, R. F. H., Doll, S., Mock, H.-P., Strehmel, N., Scheel, D., Kong, X., Hider, R. C., & von Wiren, N. (2014) · PLANT PHYSIOLOGY · doi:10.1104/pp.113.228544 · Cited by 334
Reusable Oxidation Catalysis Using Metal-Monocatecholato Species in a Robust Metal–Organic Framework
Fei, H., Shin, J., Meng, Y. S., Adelhardt, M., Sutter, J., Meyer, K., & Cohen, S. M. (2014) · Journal of the American Chemical Society · doi:10.1021/ja411627z · Cited by 286
Metadata
- Authors
- Powell, H., & Taylor, M.
- Venue
- Australian Journal of Chemistry
- Publisher
- CSIRO Publishing
- Published
- 1982-04-01
- Volume
- 35
- Issue
- 4
- Pages
- 739-756
- ISSN
- 0004-9425 (ISSN-L)
- 1445-0038
- OpenAlex
- W2320431495
- Cited by
- 172
- References
- 0
- FWCI
- 2.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- Powell, H., & Taylor, M. (1982). Interactions of iron(II) and iron(III) with gallic acid and its homologues: a potentiometric and spectrophotometric study. Australian Journal of Chemistry. https://doi.org/10.1071/ch9820739
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