James H. Ephraim

A unified physicochemical description of the protonation and metal ion complexation equilibria of natural organic acids (humic and fulvic acids). 1. Analysis of the influence of polyelectrolyte properties on protonation equilibria in ionic media: fundamental concepts

Jacob A. Marinsky, James H. Ephraim · Environmental Science & Technology · 1986 · 153 citations

Chemical Measurement, Engineering, Ion Exchange +13

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

Environmental Chemistry, Engineering, Chemical Analysis +14

HEAVY METALS POLLUTION IN SURFACE SOILS IN THE VICINITY OF ABUNDANT RAILWAY SERVICING WORKSHOP IN KUMASI, GHANA

Osei Akoto, James H. Ephraim, Godfred Darko · 2008 · 102 citations

Environmental Chemistry, Engineering, Environmental Engineering +11

On the composition and properties of humic substances isolated from deep groundwater and surface waters

C. Pettersson, James H. Ephraim, Bert Allard · Organic Geochemistry · 1994 · 86 citations

Groundwater Quality, Hydrogeology, Environmental Chemistry +10

A unified physicochemical description of the protonation and metal ion complexation equilibria of natural organic acids (humic and fulvic acids). 3. Influence of polyelectrolyte properties and functional heterogeneity on the copper ion binding equilibria in an Armadale Horizons Bh fulvic acid sample

James H. Ephraim, Jacob A. Marinsky · Environmental Science & Technology · 1986 · 76 citations

Environmental Chemistry, Molecular Sciences, Engineering +14