Ondersoek na bepalings van geselekteerde metale in riviersedimente met behulp van 'n pH-afhanklike ekstraksieprosedure

dc.contributor.advisorVan Staden, J.F.
dc.contributor.coadvisorKempster, Phillip L.
dc.contributor.postgraduateVan der Merwe, Lodewika
dc.date.accessioned2024-11-27T09:16:00Z
dc.date.available2024-11-27T09:16:00Z
dc.date.created22/02/16
dc.date.issued1992
dc.descriptionDissertation (MSc (Chemistry))--University of Pretoria, 1992.
dc.description.abstractThe metals cadmium, chromium, copper, iron, mercury, manganese, molybdenum, nickel, titanium, vanadium, zinc, aluminium and the non-metals arsenic and boron are discussed from a theoretical viewpoint with specific attention to their presence in nature, as well as their mobility and availability with pH variation. A project was initiated to determine the possibility of pollution by the metals from the sediment to the water phase in the Koekemoerspruit/Orkney area of the Vaal River catchment. This was done by firstly doing a total digestion procedure, and secondly by using a pH-dependent sequential extraction procedure.
dc.description.degreeMSc (Chemistry)
dc.description.departmentChemistry
dc.identifier.urihttp://hdl.handle.net/2263/99495
dc.language.isoAfr
dc.publisherUniversity of Pretoria
dc.rights© 2024 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria.
dc.subjectGeselekteerde metale
dc.subjectRiviersedimente
dc.subjectpH-afhanklike ekstraksieprosedure
dc.subjectUCTD
dc.titleOndersoek na bepalings van geselekteerde metale in riviersedimente met behulp van 'n pH-afhanklike ekstraksieprosedure
dc.typeDissertation

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