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http://dx.doi.org/10.7844/kirr.2018.27.2.48

Ion Exchange of Gold(III) from Ammonium Chloride Solution by Anionic Resins  

Ahn, Hyeong Hun (Department of Advanced Material Science & Engineering, Institute of Rare Metal, Mokpo National University)
Lee, Man Seung (Department of Advanced Material Science & Engineering, Institute of Rare Metal, Mokpo National University)
Publication Information
Resources Recycling / v.27, no.2, 2018 , pp. 48-54 More about this Journal
Abstract
Batch ion exchange experiments of Au(III) were performed from ammonium chloride solution by employing strong anionic exchange resins (Amberlite IRA 402 and AG 1-X8). Au(III) was well loaded into the two resins and the loading behavior of Au(III) into AG 1-X8 was superior to that into Amberlite IRA 402. The loading of Au(III) into AG 1-X8 followed Langmuir adsorption isotherm and the experimentally determined loading capacity was 355 mg/g. Au(III) was successfully eluted by $HClO_4$ from the loaded AG 1-X8 and the elution percentage of Au(III) increased with the concentration of $HClO_4$.
Keywords
Au(III); ammonium chloride; ion exchange; elution; AG 1-X8;
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