Abstract
AbstractA new chelating resin is produced by coupling a dye brilliant green to Amberlite XAD-2 through an azo spacer. The resulting resin has been characterized by FT-IR, elemental analysis, thermogravimetric analysis, and scanning electron microscopy and studied for the preconcentration and determination of trace Al(III) from solution samples. The optimum pH value for sorption of the aluminate ions was nine. The sorption capacity of functionalized resin is 10.8 mg g−1. A recovery of 94% was obtained for Al(III) when eluted with 0.5 M nitric acid. The equilibrium data of Al(III) adsorption on modified resin were analyzed using Langmuir, Freundlich, and Temkin models. The method was applied for Al(III) assay in environmental samples.
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