Headspace in-tube microextraction combined with reverse-flow micellar electrokinetic capillary chromatography for detection of pyrethroid herbicides in fruits

• Autorzy: Yue Mei-E , Lin Qiaoyan , Xu Jie , Jiang Ting-Fu

Identyfikatory

DOI

10.1556/1326.2018.00436

• Języki publikacji: EN

Abstrakty

EN

A rapid, simple, and sensitive method has been developed for the analysis of pyrethroid herbicides in fruits by using headspace in-tube microextraction (HS-ITME) coupled with reverse-flow micellar electrokinetic capillary chromatography (RF-MECC). In the newly developed method, by placing a capillary filled with background electrolyte (BGE) of RF-MECC in the HS above the sample solution, the pyrethroid herbicides were extracted into the acceptor phase in the capillary. After extraction, electrophoresis of the extracts in the capillary was carried out. The influence of some essential BGE components such as sodium dodecyl sulfate (SDS) and organic modifiers concentrations was investigated. Extraction parameters were also systematically investigated, including the extraction temperature, extraction time, salt concentration, and volume of the sample solution. Under the optimized conditions, enrichment factors for three pyrethroids were 309, 133, and 288, respectively. The proposed method provided a good linearity, low limits of detection (below 1.00 ng/mL), and good repeatability of the extractions (relative standard deviations [RSDs] below 7.83%, n = 6). The fruit samples were analyzed by the proposed method, and the obtained results indicated that the proposed method provides acceptable recoveries and precisions.

Słowa kluczowe

EN

Headspace in-tube microextraction; micellar electrokinetic capillary chromatography; pyrethroids; liquid microextraction

• Wydawca: University of Silesia in Katowice ; Akademiai Kiado
• Czasopismo: Acta Chromatographica
• Rocznik: 2019
• Tom: Vol. 31, no. 3
• Strony: 189--193
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Yue Mei-E

• Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P.R. China

autor

Lin Qiaoyan

• Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P.R. China

autor

Xu Jie

• Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P.R. China

autor

Jiang Ting-Fu

• School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, P.R. China

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).