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Reference type: Journal
Authors: Sid Kalal H, Pakizevand N, Hoveidi H, Taghiof M, Tavangari S, Panahi HA
Article Title: Adsorption of Strontium (II) on new ion-imprinted solid-phase support: determination, isotherms, thermodynamic and kinetic studies.
Publication date: 2013
Journal: Caspian Journal of Environmental Sciences
Volume: 11
Issue: (1)
Page numbers: 53-63.
Alternative URL: http://www.research.guilan.ac.ir/cjes/.papers/2486.pdf

Abstract: An ion imprinted polymer (IIP) based on aniline-formaldehyde was synthesized and then modified with extra aniline as cross-linker in the presence and absence of Sr (II) as the template to produce ion imprinted poly(anilineformaldehyde) (IIPAF) and non imprinted poly(aniline-formaldehyde) (NIPAF). The sorbent was characterized by Fourier Transform Infrared Spectroscopy and was used for solid phase extraction. The kinetics of the sorption was analyzed using the pseudo-first order and pseudo-second order kinetic models. The equilibrium adsorption data of Sr (II) on synthetic polymer were analyzed by Langmuir, Freundlich, Temkin and Redlich-Peterson models. The thermodynamic parameters were determined using the equilibrium constant values obtained at different temperatures. The results showed the negative values of Δ G and positive Δ H which indicated that the Sr (II) adsorption process is spontaneous and endothermic. The method was applied for strontium ions determination from Tap water samples.
Template and target information: strontium ions, Sr(II)
Author keywords: adsorption, Ion imprinted polymers, aniline-formaldehyde, Strontium (II), Kinetic


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