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Reference type: Journal
Authors: Baba Y, Ohe K, Ohshima T, Dhakal RP
Article Title: Preparation of Palladium (II) -Imprinted Chitosan Derivative and Its Adsorption Properties of Precious Metals.
Publication date: 2007
Journal: Journal of Ion Exchange
Volume: 18
Issue: (4)
Page numbers: 226-231.
DOI: 10.5182/jaie.18.226
Alternative URL: https://www.jstage.jst.go.jp/article/jaie1990/18/4/18_4_226/_article

Abstract: In order to develop highly selective adsorbents for recovery of palladium (II), the palladium (II) -imprinted chitosan derivative (PIPMC) was synthesized using N- [pyridylmethyl] -chitosan (PMC) . The adsorption rate and adsorption equilibrium of precious metals on PIPMC were compared with those on PMC to elucidate the template effects. The adsorption rate of palladium (II) on PIPMC is very fast and equilibrated within one hour, while at least 10 hours is necessary to reach equilibrium by PMC. PIPMC provided the selective chelate formation spaces toward not only templated palladium (II), but gold (III), nickel (II) and copper (II) that commonly form planar complexes. The template effect of palladium (II) was studied by examining the adsorption selectivity and kinetics of palladium (II) using hydrochloric acid and 1 M aqueous ammonium nitrate solution.
Template and target information: palladium ion, Pd(II)
Author keywords: chitosan, chitosan derivative, molecular imprinting, palladium, selective adsorption


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