Molecularly Imprinted Solid-Phase Extraction for Chlorpyrifos Determination in Water Samples

Jun Liu; Ming Yang; Lu Feng Huai

doi:10.4028/www.scientific.net/AMR.113-116.947

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Molecularly Imprinted Solid-Phase Extraction for Chlorpyrifos Determination in Water Samples

Abstract:

The determination of chlorpyrifos at low ngL-1 levels in wastewater requires highly selective and sensitive analytical procedures. The removal of matrix components during sample preparation results in significant benefits towards reducing the matrix effects during GC analysis. Therefore this work describes a simple method to enrich and clean up chlorpyrifos from sewage water using molecularly imprinted solid phase extraction (MISPE). Final analysis was performed by gas chromatography. The performance of this method has been evaluated in water samples in terms of recovery, precision, and method quantification limit. Recovery for chlorpyrifos ranged between 99 and 105% with RSD values below 7.9%. The performance of the method was further emphasized by the study of different water samples. In these samples, chlorpyrifos were detected in concentration above method quantification limits ranging from 50 to 3000 ngL-1.

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Periodical:

Advanced Materials Research (Volumes 113-116)

Pages:

947-951

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.113-116.947

Citation:

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Online since:

June 2010

Authors:

Jun Liu, Ming Yang, Lu Feng Huai

Keywords:

Chlorpyrifos, Molecularly Imprinted Polymer

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