Copper ion activation of synthetic sphalerites with various iron contents |
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| Authors: | J Solecki A Komosa J Szczypa |
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| Institution: | Department of Radiochemistry and Application of Radioisotopes Maria Curie-Sklodowska University, Institute of Chemistry, Lublin Poland |
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| Abstract: | The adsorption of copper ions on synthetic sphalerites of various iron contents was measured using a radiotracer technique. The correlation of Cu2+ ions adsorption with the pH of solution, the iron content of the solid and the degree of surface oxidation of synthetic sphalerite were determined. The experiments proved that oxidation of the surface of the sphalerite samples caused a decrease in Cu2+ ions sorption with the exception of samples of iron containing sphalerite. Acidity of the solution affected the adsorption of Cu2+ ions by deoxidized sphalerite surfaces, whereas the adsorption on oxidized surfaces did not depend on the pH. |
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