- Title
- Separation and characterisation of chromium (III) carboxylate solutions
- Creator
- Bryson, Michael Andrew Walker
- Subject
- Chromium
- Date Issued
- 1981
- Date
- 1981
- Type
- Thesis
- Type
- Masters
- Type
- MSc
- Identifier
- vital:4416
- Identifier
- http://hdl.handle.net/10962/d1006847
- Description
- From Summary: The complexes present in chromium(III) carboxylate solutions (acetate or formate) were separated using ion exchange chromatography, electrophoresis and gel filtration. Eight cationic species and one non-ionic species with charges from 0 to +3 and nuclearities ranging from mononuclear to quadranuclear were isolated from chromium(III) acetate solutions. Six cationic species with charges from +1 to +3 and nuclearities ranging from mononuclear to trinuclear were isolated from chromium(III) formate solutions. The empirical formulae for these complexes were determined by analytical methods. Infra- red spectroscopy was used to distinguish between monodentate and bidentate bridged carboxylate ligands. An immediate change in the visible spectrum of a complex on its acidification was used as evidence that a terminal hydroxo group was present.
- Format
- 84 leaves
- Format
- Publisher
- Rhodes University
- Publisher
- Faculty of Science, Chemistry
- Language
- English
- Rights
- Bryson, Michael Andrew Walker
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