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Comparison of South African short-term and ceiling
(North-West University (South Africa) , Potchefstroom Campus, 2015)
Occupational exposure limits (OELs) are established with the purpose of regulating exposure to hazardous chemical substance (HCSs) in the workplace. However, the effectiveness of controlling such risks is largely dependent ...
Characterisation of nickel in platinum refining process dust
(North-West University (South Africa) , Potchefstroom Campus, 2016)
Objectives: The objective of this mini-dissertation was to determine the physical (particle size) and chemical (species) form of the nickel present in airborne particulate matter at a precious metals smelter. Methods: After ...