Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Removal of selected nuisance anions by Octolig®
Octolig®, a commercially available immobilized ligand (IMLIG), has been studied for its effectiveness in removing nuisance anions. The material consists of polyethylenediamines covalently linked to high surface-area silica, and has a high affinity for transition metal ions. Previous research indicated that anions could be removed quantitatively from aqueous solutions using the metal derivatives of Octolig® as packing in column chromatography. The present study focused on the results with Octolig® alone. Quantitative removals (> 99%) were obtained for arsenate, chromate, paramolybdate, selenious acid, and fluoride. Boric acid was not removed by under similar conditions, but previously the copper(II) derivative of Octolig® had been partially successful. A mechanism of removal is proposed.
Removal of selected nuisance anions by Octolig®
Octolig®, a commercially available immobilized ligand (IMLIG), has been studied for its effectiveness in removing nuisance anions. The material consists of polyethylenediamines covalently linked to high surface-area silica, and has a high affinity for transition metal ions. Previous research indicated that anions could be removed quantitatively from aqueous solutions using the metal derivatives of Octolig® as packing in column chromatography. The present study focused on the results with Octolig® alone. Quantitative removals (> 99%) were obtained for arsenate, chromate, paramolybdate, selenious acid, and fluoride. Boric acid was not removed by under similar conditions, but previously the copper(II) derivative of Octolig® had been partially successful. A mechanism of removal is proposed.
Removal of selected nuisance anions by Octolig®
Martin, Dean F. (Autor:in) / Lizardi, Christopher L. (Autor:in) / Schulman, Eileen (Autor:in) / Vo, Bryan (Autor:in) / Wynn, Darius (Autor:in)
Journal of Environmental Science and Health, Part A ; 45 ; 1144-1149
01.01.2010
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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