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Reference type: Journal
Authors: Li H, Lu CM, Xie F, Xu MM, Wang SS, Li ZP
Article Title: Investigation on Gas Phase Recognition for Metal-Ion Mediated Formaldehyde Imprinted Polymer by Inversed Phase Gas Chromatography.
Publication date: 2014
Journal: Chinese Journal of Analytical Chemistry
Volume: 42
Issue: (6)
Page numbers: 885-890.
Alternative URL: http://210.14.121.5:8080/fxhx/EN/abstract/abstract13574.htm

Abstract: A Co2+ ion-mediated formaldehyde imprinted polymer (MIP) was prepared by coordination polymerization method in present work and its surface structure characterized by using IR spectrum and scanning electron microscope (SEM). Inversed phase gas chromatography (IGC) technique using this formaldehyde imprinted polymer as stationary phase was utilized to investigate on the retention selectivity, isotherm adsorption and adsorption thermodynamics for this imprint material toward the template and its structural analogue. Also, the ability of this polymer in the removal of formaldehyde from room atmosphere was explored. Results indicated that the capacity of the template on the molecularly imprinted polymers (MIPs) column was much higher than that of aldehyde and the lower column temperature and flow rate of carrier gas was beneficial for the selective retention of imprint material toward the template molecule, possessing a higher capacity factor of 61.1 for the template and a higher separation factor of 10.66 for this imprint polymer toward formaldehyde and aldehyde under the optimized chromatographic conditions (column temperature: 363 K; flow rate of carrier gase: 7.0 mL/min; injection volume: 3.0 μL). An approximate linear adsorption isotherm for the template and a BET III one for the analogue on the MIPs was observed. In addition, this molecularly imprinted polymer was shown with higher capability in the removal of formaldehyde from room atmosphere.
Template and target information: formaldehyde
Author keywords: molecularly imprinted polymer, Gas adsorption, Inversed phase gas chromatography, formaldehyde


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