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Dimethylamine (DMA) functional group was grafted to obtain modified persimmon peel gel (DMA-PP) with the focus of development of selective recovery of gold as well as other precious metals like palladium and platinum. The adsorption behavior of the DMA-PP gel for various metal ions at varying hydrochloric acid concentrations has been studied. It was found that the DMA-PP exhibits high affinity for...
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