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Reference type: Journal
Authors: Kang YF, Zhao ZQ, Zheng SJ, Shi HJ
Article Title: Preparation of Hg(2+)-ion-Imprinted polymer by precipitation method and its characteristics.
Publication date: 2015
Journal: Chinese Journal of Analysis Laboratory
Volume: 34
Issue: (9)
Page numbers: 1094-1098.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-FXSY201509033.htm

Abstract: Hg2+ imprinted polymer particles were prepared by precipitation method with Hg2+ as the template, maleimide as the functional monomer and ethylene glycol dimethacrylate (EDGMA) as the cross-linking agent.The combination between template and functional monomer was investigated by UV spectrometry, and surface morphology and chemical structure were characterized by scanning electron microscopy (SEM) and FT-IR. This study also confirmed the best adsorption condition: the adsorption time was 110 min, the adsorption temperature was 60 C and the pH was 7, resulting the maximum absorption capacity of 61.23 mg/g. The selectivity experiment showed that the k value of the imprinted polymer to Cu2+, Pb2+ and Co2+ were 6.45, 4.63 and 5.21. The reusability test indicated that the adsorption capacity in the sixth time was 86.3% that of the first time. The recoveries of real samples (tap water and lake water) were in the range of 89.8% to 100.7%.
Template and target information: mercury ion, Hg(II)
Author keywords: Ion imprinting technique, Precipitation method, HG2+


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