Browsing by Subject "Gold"
Now showing items 1-4 of 4
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Determining the ecotoxicity of nanodiamonds and quantum dots using the soil nematode Caenorhabditis elegans
(North-West University (South Africa), 2018)Engineered nanoparticles (ENP) are being used in many commercial products and applications, such as biological imaging, toothpaste and electronics. As the production, use and disposal of these products increase, environmental ... -
A methodology to quantify the groundwater impacts of mega-tailings dams for the gold mining industry, South Africa
(North-West University (South Africa), Potchefstroom Campus, 2016)The recovery of base and precious metals (gold, silver, copper, platinum etc.) often entails the removal of a large quantity of rock strata by means of deep shaft and opencast mining practices. The crushing and milling of ... -
Pt and Au as electrocatalysts for various electrochemical reactions
(North-West University, 2015)In this study the focus was on the electrochemical techniques and aspects behind the establishment of the better catalyst (platinum or gold) for the sulphur dioxide oxidation reaction (SDOR). One of the primary issues ... -
Standard Bank 1862 tot 1940 : 'n kultuurhistoriese kontekstualisering van die metafisiese en verbandhoudende kultuurkomponente
(North-West University (South Africa) , Potchefstroom Campus, 2017)Ekonomiese groei, wat hoofsaaklik met die wolbedryf in verband gestaan het, het die beskikbaarheid van bankdienste in die Oos-Kaap van Suid-Afrika teen die tweede helfte van die 19de eeu genoodsaak. Standard Bank het in ...