HPLC-DAD determination of imidacloprid in onion

Imidacloprid is an insecticide most commonly used on vegetables, potato, sugar beet, fruit, cereals. In this study, imidacloprid residue has been determined in spiked onion and in onion samples. Sample preparation consisted of dichlormethane extraction of imidacloprid from onion, followed by purific...

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Published inPesticidi (Beograd) Vol. 18; no. 1
Main Authors Mandic, A.(Tehnoloski fakultet, Novi Sad (Serbia and Montenegro)), Lazic, S, Indjic, D
Format Journal Article
LanguageSerbian
Subjects
Cebolla
Hplc
Imidacloprid
Oignon
Onions
Residues
Residuos
Résidu
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Summary:Imidacloprid is an insecticide most commonly used on vegetables, potato, sugar beet, fruit, cereals. In this study, imidacloprid residue has been determined in spiked onion and in onion samples. Sample preparation consisted of dichlormethane extraction of imidacloprid from onion, followed by purification of the obtained extract on a LC-Florisil disposable cartridge. The HPLC-DAD method has been developed on reversed-phase for separation of imidacloprid with a mixture of 0.01 M phosphate buffer (pH=3.15): acetonitrile. Recovery of imidacloprid, repeatability, linearity, limit of detection and limit of quantification have been determined.
Bibliography:Q03
Matica Srpska Library, 1 Matica Srpska Street, 21000 Novi Sad, Serbia and Montenegro, E-mail: Zorka@bms.ns.ac.yu
ISSN:0352-9029