Simultaneous absorptiometric determination of copper, nickel, iron and cobalt in refinery process streams : potential on-line application.

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dc.contributor.advisorKoch, K. R.
dc.contributor.authorArchery, Evelynen_ZA
dc.contributor.otherUniversity of Stellenbosch. Faculty of Science. Dept. of Chemistry and Polymer Science.
dc.date.accessioned2008-06-30T10:04:06Zen_ZA
dc.date.accessioned2010-06-01T09:01:36Z
dc.date.available2008-06-30T10:04:06Zen_ZA
dc.date.available2010-06-01T09:01:36Z
dc.date.issued2005-12en_ZA
dc.descriptionThesis (MSc (Chemistry and Polymer Science))--University of Stellenbosch, 2005.
dc.description.abstractA method for the simultaneous spectrophotometric determination Cu(aq)2+, Ni(aq)2+, Co(aq)2+, and Fe(aq)2+, 3+ in refinery process streams based on multiwavelength analysis is proposed. The individual concentrations of the metallic ions present in quaternary mixtures was achieved by using molar absorptivities of each element at the wavelength of interest1 solving a simultaneous equation. A calibration model was setup simulating the refinery. The concentration of the elements predicted here were then used to predict the elements in an unknown sample. Simultaneous multicomponent determination of Cu2+, Ni2+, and Co2+ in process streams is possible. A good comparison of the laboratory analysis to the new method is proved.en_ZA
dc.identifier.urihttp://hdl.handle.net/10019.1/2918
dc.language.isoen_ZAen_ZA
dc.publisherStellenbosch : University of Stellenbosch
dc.rights.holderUniversity of Stellenbosch
dc.subjectAdsorptionen_ZA
dc.subjectMetal refiningen_ZA
dc.subjectOnline analytical methodsen_ZA
dc.subjectAnalytical chemistryen_ZA
dc.subjectDissertations -- Chemistryen_ZA
dc.subjectTheses -- Chemistryen_ZA
dc.subject.otherChemistry and Polymer Scienceen_ZA
dc.titleSimultaneous absorptiometric determination of copper, nickel, iron and cobalt in refinery process streams : potential on-line application.en_ZA
dc.typeThesisen_ZA
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