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Evaluation of partial least-squares regression with multivariate analytical figures of merit for determination of 10 pesticides in milk
, Article International Journal of Environmental Analytical Chemistry ; March , 2020 ; Balsini, P ; Parastar, H ; Sharif University of Technology
Taylor and Francis Ltd
2020
Abstract
A multi-residue method using gas chromatography coupled with flame ionisation detector has been developed for simultaneous determination of 10 pesticides in milk. The methodology involved a sample clean-up procedure using ‘quick, easy, cheap, effective, rugged and safe’ followed by a preconcentration step based on dispersive liquid–liquid microextraction. In this regard, acetonitrile was added to the milk sample with specific pH and ionic strength, and the mixture was rigorously shaken. The extracts were centrifuged; then, the organic phase (acetonitrile) was transferred to a test tube and was mixed with deionised water. The mixture was sonicated and chloroform was added as an acceptor phase...
Evaluation of partial least-squares regression with multivariate analytical figures of merit for determination of 10 pesticides in milk
, Article International Journal of Environmental Analytical Chemistry ; Volume 102, Issue 8 , 2022 , Pages 1900-1910 ; 03067319 (ISSN) ; Balsini, P ; Parastar, H ; Sharif University of Technology
Taylor and Francis Ltd
2022
Abstract
A multi-residue method using gas chromatography coupled with flame ionisation detector has been developed for simultaneous determination of 10 pesticides in milk. The methodology involved a sample clean-up procedure using ‘quick, easy, cheap, effective, rugged and safe’ followed by a preconcentration step based on dispersive liquid–liquid microextraction. In this regard, acetonitrile was added to the milk sample with specific pH and ionic strength, and the mixture was rigorously shaken. The extracts were centrifuged; then, the organic phase (acetonitrile) was transferred to a test tube and was mixed with deionised water. The mixture was sonicated and chloroform was added as an acceptor phase...