... physical and chemical propertiesof the Interface, and geochemists and engineers interested in modellingbehaviour in complex natural systems or in designing processes to removeheavy metals from ... timeCu(10 ppm) 10 mug in sediments (Eduljee et al.,1985) and in waters (Paulson & Feely,1985;Laumond et al.,1984).Chemicals used in medicine, in the home, in agriculture and in industryhave done ... metals in sea water and has since been confirmedfor cadmium and zinc in surface and ground-waters (Hem,1 972). Pure phasesdo not exist in nature and since the solubility of a metal in equilibrium...