A semi-automated resin concentration method for the preconcentration of trace metals in fresh water, prior to atomic absorption analysis A semi-automated resin concentration method for the preconcentration of trace metals in fresh water, prior to atomic absorption analysis
Correction to paper ‘reclaimed water: a health hazard?’ Correction to paper 'reclaimed water: a health hazard?'
Groundwater recharge in the dolomite of the Ghaap Plateau near Kuruman in the Northern Cape, Republic of South Africa Groundwater recharge in the dolomite of the Ghaap Plateau near Kuruman in the Northern Cape, Republic of South Africa
A borehole probe for sampling groundwater from selected strata A borehole probe for sampling groundwater from selected strata
Bepalings van anorganiese en totale kwik in water en uitvloeisels deur vlamlose atoomabsorpsie Bepalings van anorganiese en totale kwik in water en uitvloeisels deur vlamlose atoomabsorpsie
The significance of an anaerobic zone for the biological removal of phosphate from wastewaters The significance of an anaerobic zone for the biological removal of phosphate from wastewaters
Induced spawning of the two Phytophagous Chinese Carp species Ctenopharyngodon Idella (Val.) and Hypopthalmicthys Molitrix (Val.) with reference to the possible use of the grass carp in the control of aquatic weeds Induced spawning of the two Phytophagous Chinese Carp species Ctenopharyngodon Idella (Val.) and Hypopthalmicthys Molitrix (Val.) with reference to the possible use of the grass carp in the control of aquatic weeds
The influence of initial soil moisture content on field measured infiltration rates The influence of initial soil moisture content on field measured infiltration rates
A rapid centrifuge method for determination and control of sludge concentration in activated sludge plants A rapid centrifuge method for determination and control of sludge concentration in activated sludge plants