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Title: Application of High Performance Liquid Chromatography for Determination of Metalaxyl, Acetamiprid and Azoxystrobine in Tomato Samples
Authors: Mirjana S. Jankulovska, null
Velkoska-Markovska, Lenche
Petanovska-Ilievska, Biljana
Ilievski, Ugrin
Keywords: RP-HPLC, liquid–liquid extraction, solid-phase extraction, pesticide residues, tomato
Issue Date: Apr-2019
Publisher: Pleiades Publishing Ltd
Journal: Journal of Analytical Chemistry
Abstract: A new rapid and simple method for simultaneous determination of azoxystrobin, acetamiprid and metalaxyl in tomatoes has been developed and validated. The separation and quantification of investigated pesticides was performed by reverse-phase HPLC with diode-array detection. Pesticide residues were extracted with acetone and purified by liquid‒liquid extraction and solid-phase extraction. The best results were obtained using acetonitrile‒water (50 : 50, v/v) as a mobile phase at a flow rate of 1 mL/min and UV detection at 220 and 250 nm. The optimal analytical separation was achieved with a LiChrospher 60 RP-select B (250 × 4 mm, 5 μm) column. The developed method was validated for linearity, sensitivity (limits of detection and quantification), accuracy (recovery) and intraday precision (repeatability). This method may find further application in analyses of tomato samples contaminated with residues of investigated pesticides.
DOI: 10.1134/s1061934819040075
Appears in Collections:Faculty of Agricultural Sciences and Food: Journal Articles

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