A modified method to determine biomass concentration as COD in pure cultures and in activated sludge systems

Spectrophotometric determination of pKa values for fluorescein using activity coefficient corrections

The conservative behaviour of fluorescein

Metal concentrations in Clarias gariepinus and Labeo umbratus from the Olifants and Klein Olifants River, Mpumalanga, South Africa: Zinc, copper, manganese, lead, chromium, nickel, aluminium and iron

Fog-water harvesting along the West Coast of South Africa: A feasibility study

Commercial production of crops irrigated with gypsiferous mine water

Analysis of the structural diversity of the microbial community in a paper-mill water system

Checklist of free living nematodes recorded from freshwater habitats in Southern Africa

A hydrogeomorphological approach to quantification of groundwater discharge to streams in South Africa

Measuring evaporation from soil surfaces for environmental and geotechnical purposes