Affiliation: | 1. Environmental Remediation Group, Department of Chemistry, University of the Western Cape, Private Bag X17, Bellville 7535, South Africa;2. Department of Chemistry, University of the Western Cape, South Africa;3. Sensor Research Lab, Department of Chemistry, University of the Western Cape, South Africa;4. Department of Earth Sciences, University of the Western Cape, Private Bag X17, Bellville 7535, South Africa |