Jump to main content
Jump to site search
Access to RSC content Close the message box

Continue to access RSC content when you are not at your institution. Follow our step-by-step guide.


Issue 48, 2018
Previous Article Next Article

Application of vortex-assisted liquid–liquid microextraction based on solidification of floating organic droplets for determination of some pesticides in fruit juice samples

Author affiliations

Abstract

In the present study, a green, rapid, and simple sample preparation procedure, vortex-assisted liquid–liquid microextraction based on solidification of floating organic droplets, has been developed for the analysis of ametryn, chlorpyrifos, diazinon, diniconazole, fenazaquin, oxadiazon, and penconazole with gas chromatography-flame ionization detection. In this method, menthol as a green extraction solvent was added to a sample solution and this mixture was vortexed to obtain a cloudy solution. The cloudy solution was centrifuged and fine droplets of the extraction solvent were collected on the top of the aqueous phase. The test tube was placed in an ice bath, and the floating organic droplets of menthol were solidified. Then, the aqueous phase was completely removed. Afterward, the solidified menthol remaining in the test tube was melted in a water bath. Some important parameters, such as ionic strength, vortexing time, pH, etc., were investigated and optimized. The obtained values for the limits of quantification and detection were in the ranges of 1.7–4.3 and 0.50–1.30 μg L−1, respectively. Under the optimum experimental conditions, extraction recoveries and enrichment factors were in the ranges of 53–84% and 263–421, respectively. The repeatability of the method expressed as relative standard deviation was less than 7% for intra- (n = 6) and inter-day (n = 4) precisions at a concentration of 50 μg L−1 of each pesticide.

Graphical abstract: Application of vortex-assisted liquid–liquid microextraction based on solidification of floating organic droplets for determination of some pesticides in fruit juice samples

Back to tab navigation

Article information


Submitted
07 Aug 2018
Accepted
13 Nov 2018
First published
05 Dec 2018

Anal. Methods, 2018,10, 5842-5850
Article type
Paper

Application of vortex-assisted liquid–liquid microextraction based on solidification of floating organic droplets for determination of some pesticides in fruit juice samples

M. A. Farajzadeh, A. Sadeghi Alavian and M. Sattari Dabbagh, Anal. Methods, 2018, 10, 5842
DOI: 10.1039/C8AY01766B

Social activity

Search articles by author

Spotlight

Advertisements