Application of fabric phase sorptive extraction with gas chromatography and mass spectrometry for the determination of organophosphorus pesticides in selected vegetable samples. 2019

Ramandeep Kaur, and Ripneel Kaur, and Susheela Rani, and Ashok Kumar Malik, and Abuzar Kabir, and Kenneth G Furton
Department of Chemistry, Punjabi University, Patiala, India.

In the present work, a high-efficiency and solvent minimized microextraction technique, fabric phase sorptive extraction followed by gas chromatography and mass spectrometry analysis is proposed for the rapid determination of four organophosphorus pesticides (terbufos, malathion, chlorpyrifos, and triazofos) in vegetable samples including beans, tomato, brinjal, and cabbage. Fabric phase sorptive extraction combines the beneficial features of sol-gel derived microextraction sorbents with the rich surface chemistry of cellulose fabric substrate, which collectively form a highly efficient microextraction system. Fabric phase sorptive extraction membrane, when immersed directly into the sample matrix, may extract target analytes even when high percentage of matrix interferents are present. The technique also greatly simplifies sample preparation workflow. Most important fabric phase sorptive extraction parameters were investigated and optimized. The developed method displayed good linearity over the concentration range 0.5-500 ng/g. Under optimum experimental conditions, the limits of detection were found in the range of 0.033 to 0.136 ng/g. The relative standard deviations for the extraction of organophosphorus pesticides were < 5%. Subsequently, the new method was applied to beans, tomato, brinjal, and cabbage samples. The results from the real sample analysis indicate that the method is green, rapid, and economically feasible for the determination of organophosphorus pesticides in vegetable samples.

UI MeSH Term Description Entries
D008401 Gas Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. Chromatography, Gas-Liquid-Mass Spectrometry,Chromatography, Gas-Mass Spectrometry,GCMS,Spectrometry, Mass-Gas Chromatography,Spectrum Analysis, Mass-Gas Chromatography,Gas-Liquid Chromatography-Mass Spectrometry,Mass Spectrometry-Gas Chromatography,Chromatography, Gas Liquid Mass Spectrometry,Chromatography, Gas Mass Spectrometry,Chromatography, Mass Spectrometry-Gas,Chromatography-Mass Spectrometry, Gas,Chromatography-Mass Spectrometry, Gas-Liquid,Gas Chromatography Mass Spectrometry,Gas Liquid Chromatography Mass Spectrometry,Mass Spectrometry Gas Chromatography,Spectrometries, Mass-Gas Chromatography,Spectrometry, Gas Chromatography-Mass,Spectrometry, Gas-Liquid Chromatography-Mass,Spectrometry, Mass Gas Chromatography,Spectrometry-Gas Chromatography, Mass,Spectrum Analysis, Mass Gas Chromatography
D009943 Organophosphorus Compounds Organic compounds that contain phosphorus as an integral part of the molecule. Included under this heading is broad array of synthetic compounds that are used as PESTICIDES and DRUGS. Organophosphorus Compound,Organopyrophosphorus Compound,Organopyrophosphorus Compounds,Compound, Organophosphorus,Compound, Organopyrophosphorus,Compounds, Organophosphorus,Compounds, Organopyrophosphorus
D010575 Pesticides Chemicals used to destroy pests of any sort. The concept includes fungicides (FUNGICIDES, INDUSTRIAL); INSECTICIDES; RODENTICIDES; etc. Pesticide
D000327 Adsorption The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces as well. ABSORPTION into the substance may follow but not necessarily. Adsorptions
D013499 Surface Properties Characteristics or attributes of the outer boundaries of objects, including molecules. Properties, Surface,Property, Surface,Surface Property
D014675 Vegetables A food group comprised of EDIBLE PLANTS or their parts. Vegetable
D052617 Solid Phase Microextraction A solventless sample preparation method, invented in 1989, that uses a fused silica fiber which is coated with a stationary phase. It is used for sample cleanup before using other analytical methods. Microextraction, Solid Phase,Solid Phase Microextractions

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