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Reference type: Journal
Authors: Kenawy IM, Ismail MA, Hafez MAH, Hashem MA
Article Title: Synthesis and characterization of novel ion-imprinted guanyl-modified cellulose for selective extraction of copper ions from geological and municipality sample.
Publication date: 2018
Journal: International Journal of Biological Macromolecules
Volume: 115
Page numbers: 625-634.
DOI: 10.1016/j.ijbiomac.2018.04.100
Alternative URL: http://www.sciencedirect.com/science/article/pii/S014181301734713X

Abstract: The new ion-imprinted guanyl-modified cellulose (II.Gu-MC) was prepared for the separation and determination of Cu (II) ions in different real samples. Several techniques such as Fourier Transform Infrared (FT-IR), scanning electron microscope (SEM), thermal analysis, potentiograph and elemental analysis have been utilized for the characterization of II.Gu-MC. The adsorption behavior of the ion imprinted polymer (II.Gu-MC) was evaluated and compared to the non ion-imprinted polymer (NII.Gu-MC) at the optimum conditions. The selectivity and the adsorption capacity were greatly enhanced by using the ion-imprinted polymer, indicating its validation for the separation and determination of Cu2+ ions in different matrices. The adsorption capacity by chelating fibers II.Gu-MC & NII.Gu-MC agreed with the second-order model, and the sorption-isotherm experiments revealed best agreement with Langmuir model. The adsorption capacity of II.Gu-MC and NII.Gu-MC were 115 and 55 mg g-1, respectively. The II.Gu-MC was successfully employed for the selective separation and determination of Cu(II) ions with high accuracy
Template and target information: copper ion, Cu(II)
Author keywords: Ion-imprinted guanyl-modified cellulose (II.Gu-MC), Non ion-imprinted guanyl-modified cellulose (NII.Gu-MC), Guanyl-modified cellulose (Gu-MC), Aminoguanidine hydrochloride, Removal of copper cations


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