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Reference type: Journal
Authors: Djozan D, Ebrahimi B, Mahkam M, Farajzadeh MA
Article Title: Evaluation of a new method for chemical coating of aluminum wire with molecularly imprinted polymer layer. Application for the fabrication of triazines selective solid-phase microextraction fiber.
Publication date: 2010
Journal: Analytica Chimica Acta
Volume: 674
Issue: (1)
Page numbers: 40-48.
DOI: 10.1016/j.aca.2010.06.006
Alternative URL: http://www.sciencedirect.com/science/article/B6TF4-509W79H-2/2/7851a5a732e01aa7ab32d26884c99ae8

Abstract: A new solid-phase microextraction (SPME) fiber is fabricated through ultra violet irradiation polymerization of ametryn-molecularly imprinted polymer on the surface of anodized-silylated aluminum wire. The prepared fiber is durable with very good chemical and thermal stability which can be coupled to GC and GC/MS. The effective parameters on the fabrication and application procedures such as spraying mode, ultra violet irradiation (polymerization) time, number of sprayings and polymerizations, pH and ionic strength of sample and extraction time were optimized. This fiber shows high selectivity with great extraction capacity toward triazines. SPME and GC analysis of ametryn, prometryn, terbutryn, atrazine, simazine, propazine and cyanazine using the fabricated fiber result in the detection limits of 9, 32, 27, 43, 51, 74 and 85 ng mL-1, respectively. The reliability of the prepared fiber in real samples has been investigated and proved by using spiked tap water, rice, maize and onion samples
Template and target information: ametryn, prometryn, terbutryn, atrazine, simazine, propazine, cyanazine
Author keywords: gas chromatography, solid-phase microextraction, molecularly imprinted polymer, Anodized aluminum, Coated fiber, triazine herbicides


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