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Authors: Guo JJ, Su QD, Ling F, Chu DY, Huang Y
Article Title: Erbium(III)-ion imprinted silica gel sorbent: synthesis and selective solid-phase extraction.
Publication date: 2010
Journal: Journal of Functional Materials
Volume: 41
Issue: (Suppl. 2)
Page numbers: 288-291.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-GNCL2010S2031.htm
Abstract: The present paper aims at the difficulty in separation and pre-concentration of rare-earth elements. Erbium(III)-ion imprinted silica gel(Er-IISG) sorbent was synthesized by surface imprinting technique and was employed as a selective solid-phase extraction material for determination of Er(III) from other lanthanide ions. The higher selectivity coefficient of Er-IISG for Er(III) in the presence of competive ions such as Tb(III), Dy(III) and Tm(III) was above 390, which was 42 times over non-ion imprinted silica gel(NISG). The static adsorption capacity was 58.01mg/g. The Er-IISG offered a fast kinetics for the adsorption and desorption of Er(III). The developed method was rapid, selective, sensitive and applicable to the determination of trace Er(III) in environmental samples with complicated matrix
Template and target information: erbium ion, Er(III)
Author keywords: Erbium(III), Ion-imprinted silica gel sorbent, Solid-phase extraction, Surface imprinting technique
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