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Reference type: Journal
Authors: Wei YF, Fan J, Shao XJ
Article Title: Preparation of diphenylguanidine-imprinted polymer and its application for solid-phase extraction.
Publication date: 2008
Journal: Journal of Instrumental Analysis
Volume: 27
Issue: (10)
Page numbers: 1039-1043.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-TEST200810005.htm

Abstract: A molecularly imprinted solid phase extractant, particularly for the recognition of diphenylguanidine (DPG) was prepared using diphenylguanidine (DPG) as the template and bulk polymerization. The extractant was then loaded onto a micro-column. The characteristics of selective separation and preconcentration of DPG and its structural analogs on the column were examined and the analytical parameters including column breakthrough volume and column binding capacity were studied. Results indicated that the binding capacity of the solid-phase extraction (SPE) column was very high and that the column has very high selectivity for DPG under optimum rinsing and eluting conditions. The SPE column could be reused at least 40 times. The developed procedure has been applied in the determination of DPG in environmental water and solid samples with satisfactory results. The recoveries and RSDs were range of 101%-105% and 1.1%-4.7%, respectively. (Analytical Abstracts 2009)
Template and target information: diphenylguanidine, DPG
Author keywords: Diphenylguanidine, molecular imprinting, Solid-phase extraction, environmental samples

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