A.S. Mathuthu

A unified physicochemical description of the protonation and metal ion complexation equilibria of natural organic acids (humic and fulvic acids). 2. Influence of polyelectrolyte properties and functional group heterogeneity on the protonation equilibria of fulvic acid

James H. Ephraim, Salvador Alegret, A.S. Mathuthu et al. · Environmental Science & Technology · 1986 · 125 citations

Natural Sciences, Chemistry, Environmental Sciences +14

Monitoring of water quality in upper Mukuvisi River in Harare, Zimbabwe

A.S. Mathuthu, F.M. Zaranyika, Sreekantha B. Jonnalagadda · Environment International · 1993 · 35 citations

Natural Resources, Environmental Sciences, Hydrology +10

Calcium binding by fulvic acids studied by an ion selective electrode an ultrafiltration method

A.S. Mathuthu, James H. Ephraim · Talanta · 1993 · 28 citations

Natural Sciences, Chemical Engineering, Chemistry +16

Computational scheme for the prediction of metal ion binding by a soil fulvic acid

Jacob A. Marinsky, Michael M. Reddy, James H. Ephraim et al. · Analytica Chimica Acta · 1995 · 12 citations

Agriculture, Earth Sciences, Soil Sciences +14

The effect of industrial effluent and leachate from landfills on the levels of selected trace heavy metals in the waters of Upper and middle Mukuvisi river in Harare, Zimbabwe

Mark F. Zaranyika, L. Mtetwa, S. Zvomuya et al. · DOAJ (DOAJ: Directory of Open Access Journals) · 1993 · 11 citations · Full text

Natural Sciences, Environmental Engineering, Environmental Sciences +17