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Determination of some organophosphorus pesticides in water and watermelon samples by microextraction prior to high-performance liquid chromatography.
J Sep Sci. 2011 Nov; 34(22):3231-9.JS

Abstract

A novel method based on simultaneous liquid-liquid microextraction and carbon nanotube reinforced hollow fiber microporous membrane solid-liquid phase microextraction has been developed for the determination of six organophosphorus pesticides, i.e. isocarbophos, phosmet, parathion-methyl, triazophos, fonofos and phoxim, in water and watermelon samples prior to high-performance liquid chromatography (HPLC). Under the optimum conditions, the method shows a good linearity within a range of 1-200 ng/mL for water samples and 5-200 ng/g for watermelon samples, with the correlation coefficients (r) varying from 0.9990 to 0.9997 and 0.9986 to 0.9995, respectively. The limits of detection (LODs) were in the range between 0.1 and 0.3 ng/mL for water samples and between 1.0 and 1.5 ng/g for watermelon samples. The recoveries of the method at spiking levels of 5.0 and 50.0 ng/mL for water samples were between 85.4 and 100.8%, and at spiking levels of 5.0 and 50.0 ng/g for watermelon samples, they were between 82.6 and 92.4%, with the relative standard deviations (RSDs) varying from 4.5-6.9% and 5.2-7.4%, respectively. The results suggested that the developed method represents a simple, low-cost, high analytes preconcentration and excellent sample cleanup procedure for the determination of organophosphorus pesticides in water and watermelon samples.

Authors+Show Affiliations

Key Laboratory of Bioinorganic Chemistry, College of Science, Agricultural University of Hebei, Baoding, PR China.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22038851

Citation

Wang, Chun, et al. "Determination of some Organophosphorus Pesticides in Water and Watermelon Samples By Microextraction Prior to High-performance Liquid Chromatography." Journal of Separation Science, vol. 34, no. 22, 2011, pp. 3231-9.
Wang C, Wu Q, Wu C, et al. Determination of some organophosphorus pesticides in water and watermelon samples by microextraction prior to high-performance liquid chromatography. J Sep Sci. 2011;34(22):3231-9.
Wang, C., Wu, Q., Wu, C., & Wang, Z. (2011). Determination of some organophosphorus pesticides in water and watermelon samples by microextraction prior to high-performance liquid chromatography. Journal of Separation Science, 34(22), 3231-9. https://doi.org/10.1002/jssc.201100661
Wang C, et al. Determination of some Organophosphorus Pesticides in Water and Watermelon Samples By Microextraction Prior to High-performance Liquid Chromatography. J Sep Sci. 2011;34(22):3231-9. PubMed PMID: 22038851.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Determination of some organophosphorus pesticides in water and watermelon samples by microextraction prior to high-performance liquid chromatography. AU - Wang,Chun, AU - Wu,Qiuhua, AU - Wu,Chunxia, AU - Wang,Zhi, Y1 - 2011/10/31/ PY - 2011/07/27/received PY - 2011/08/22/revised PY - 2011/09/05/accepted PY - 2011/11/1/entrez PY - 2011/11/1/pubmed PY - 2012/3/7/medline SP - 3231 EP - 9 JF - Journal of separation science JO - J Sep Sci VL - 34 IS - 22 N2 - A novel method based on simultaneous liquid-liquid microextraction and carbon nanotube reinforced hollow fiber microporous membrane solid-liquid phase microextraction has been developed for the determination of six organophosphorus pesticides, i.e. isocarbophos, phosmet, parathion-methyl, triazophos, fonofos and phoxim, in water and watermelon samples prior to high-performance liquid chromatography (HPLC). Under the optimum conditions, the method shows a good linearity within a range of 1-200 ng/mL for water samples and 5-200 ng/g for watermelon samples, with the correlation coefficients (r) varying from 0.9990 to 0.9997 and 0.9986 to 0.9995, respectively. The limits of detection (LODs) were in the range between 0.1 and 0.3 ng/mL for water samples and between 1.0 and 1.5 ng/g for watermelon samples. The recoveries of the method at spiking levels of 5.0 and 50.0 ng/mL for water samples were between 85.4 and 100.8%, and at spiking levels of 5.0 and 50.0 ng/g for watermelon samples, they were between 82.6 and 92.4%, with the relative standard deviations (RSDs) varying from 4.5-6.9% and 5.2-7.4%, respectively. The results suggested that the developed method represents a simple, low-cost, high analytes preconcentration and excellent sample cleanup procedure for the determination of organophosphorus pesticides in water and watermelon samples. SN - 1615-9314 UR - https://www.unboundmedicine.com/medline/citation/22038851/Determination_of_some_organophosphorus_pesticides_in_water_and_watermelon_samples_by_microextraction_prior_to_high_performance_liquid_chromatography_ L2 - https://doi.org/10.1002/jssc.201100661 DB - PRIME DP - Unbound Medicine ER -