Now showing items 1-10 of 112
Synthesis, electrochemistry and density functional theory calculations on chrome and cobalt carbene and betadiketonato complexes
(University of the Free State, 2014)
English: Two series of metal(β-diketonato)3 complexes were synthesized: tris(β-diketonato)chromium(III) complexes (where β-diketonato = [R1COCHCOR2]- = acac, ba, dbm, tfba, tfth, tffu, tfaa, hfaa) and tris(β-diketonato)cobalt(III) ...
Rhodium(I) betadiketone complexes as model catalysts in methanol carbonylation
(University of the Free State, 2009-06-09)
Abstract not available
Studies towards the development of African phytomedicines from Combretum apiculatum and Galenia africana
(University of the Free State, 2015-01)
Nearly 80% of the world population use traditional medicine, mainly medicinal plants, to treat diseases and ailments. In developing countries and rural communities, the use of traditional medicine is a valuable resource ...
Wood-polymer composites utilizing degraded polyolefins as compatabilizers
(University of the Free State (QwaQwa Campus), 2011-12)
English: The effect of degraded LDPE (dLDPE) as compatibilizer on the morphology, as well as thermal, mechanical, and thermo-mechanical properties, of LDPE/wood flour (WF) composites was investigated in this study. The ...
Variation in chemical composition of Harpagophytum species as function of age and locality
(University of the Free State, 2009-12)
English: Dried tubers, growing on secondary roots of Harpagophytum procumbens subsp. procumbens are widely used as an analgesic and anti-inflammatory medicine against arthritis and other chronic pain conditions. Tubers ...
Quantification of rhodium in series of inorganic and organometallic compounds
(University of the Free State, 2009-11)
The main objective of this research was to establish an analytical method using inductively coupled plasma optical emission spectrometry (ICP-OES) to accurately quantify and optimize the percentage recovery of rhodium. ...
Development and validation of bioanalytical assay methods for fentanyl in human plasma
(University of the Free State, 2004)
Abstract not available
Thermal and mechanical properties of LPDE/SISAL fibre composites compatibilized with paraffin waxes
(University of the Free State (Qwaqwa Campus), 2010-03)
The effects of maleic anhydride grafted Fitscher-Tropsch paraffin wax (MA-g-wax) and oxidised Fischer-Tropsch paraffin wax (OxWax) content on the morphology, thermal, mechanical and thermomechanical properties of LDPE/sisal ...
Ruthenium based homogeneous olefin metathesis
(University of the Free State, 2005-11)
English: The aim of this study was to investigate the decomposition of the methylidenes 4a [Ru(Cl)2(PCy3)2CH2] and 6 [Ru(Cl)2(PCy3)(NHC)CH2] and alkylidene 5 [Ru(Cl)2(PCy3)2CHR], formed in the homogeneous olefin metathesis ...
Synthesis and characterisation of a selection of phthalocyanines covalently bonded to water-soluble polymers and a ferrocenyl fragment
(University of the Free State, 1998-06)
English: This thesis is concerned with the synthesis of phthalocyanine derivatives and their anchoring onto water-soluble polyaspartamides to produce compounds that may have biomedical applications, especially in the ...