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Reference type: Conference Proceeding
Authors: Xu WZ, Xu PP, Zhou W, Yan YS
Publication date: 2010
Article title: Synthesis, characterization, evaluation of potassium tertatitanium whisker surface Ni(II) ion-imprinted polymers and selective adsorption of nickel.
Page numbers: 644-650
DOI: 10.4028/www.scientific.net/AMR.113-116.644

Proceedings title: Advanced Materials Research
Editors: Du ZY, Sun XB
Publisher: Scientific.net
ISBN: ISSN: 10226680 ISBN: 978-087849259-6
Volume number: 113-116
Conference information: Environment Materials and Environment Management

Abstract: Ni(II) ion-imprinted polymers(Ni(II)-IIPs) was synthesis by the method of surface ion-imprinting in combination with sol-gel process, and prepared by the Ni(II) as template ion, Chitosan(CTS) as functional monomer, γ-Glycidoxypropyl trimethoxysilane (KH560) as linking agent, potassium tertatitanium whisker as carrier. After removing Ni(II) ion from the polymer, Ni(II)-IIPs capable of selectively rebinding Ni(II) ion were obtained. The prepared material was characterized by using the infrared spectra (IR) and scanning electron microscopy (SEM). A batch of adsorption experiments were performed to evaluate its adsorption behavior of Ni(II) using inductively coupled plasma atomic emission spectrometry (ICP-AES). The effect of solution pH, sorbent amount on the extraction of Ni(II) from aqueous solutions were studied. The maximum adsorption capacity of Ni(II) on polymer beads was about 33.1 mg-+g-1. The Ni(II)-IIPs have a greater affinity for Ni(II) with respect to Cd(II), Co(II), Cu(II), Hg(II), Mg(II), Mn(II), Zn(II) and Pb(II) ions. Ni(II)-IIPs enabled the selective extraction of Ni(II) from a complex matrix. The prepared functional polymer was shown to be promising for selective pre-separation and enrichment of trace Ni(II) in environmental samples. (2010) Trans Tech Publications, Switzerland
Template and target information: nickel ion, Ni(II)
Author keywords: Ni(II)-IIPs, nickel, selective adsorption, Surface ion-imprinting, synthesis

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