Published in

Royal Society of Chemistry, Analytical Methods, 9(5), p. 2241, 2013

DOI: 10.1039/c3ay25626j

Links

Tools

Export citation

Search in Google Scholar

Determination of triazole pesticides in rat blood by the combination of ultrasound-enhanced temperature-controlled ionic liquid dispersive liquid–liquid microextraction coupled to high-performance liquid chromatography

Journal article published in 2013 by Yubo Li, Jiaheng Zhang, Bing Peng ORCID, Songqing Li, Haixiang Gao, Wenfeng Zhou
This paper is available in a repository.
This paper is available in a repository.

Full text: Download

Green circle
Preprint: archiving allowed
Orange circle
Postprint: archiving restricted
Red circle
Published version: archiving forbidden
Data provided by SHERPA/RoMEO

Abstract

This paper presents a study of the performance of ultrasound-enhanced temperature-controlled (UETC) ionic liquid dispersive liquid–liquid microextraction (IL-DLLME). The use of ultrasonication and heating can enhance the ability of the ionic liquid to extract the analytes. Various parameters that would affect the extraction efficiency, such as the type and volume of the extraction and dispersing solvents, salt concentration, pH value, centrifugation time, effect of temperature on UETC-IL-DLLME, were investigated and optimized. Under the optimal extraction conditions, good enrichment factors (178– 197) and recoveries (88.9–98.5%) were obtained. Good linearity was obtained in the range of 4–500 mg L À1 for myclobutanil and in the range of 6–500 mg L À1 for uniconazole, penconazole, tebuconazole and hexaconazole. Based on the optimized conditions, the UETC-IL-DLLME method was applied and combined with high-performance liquid chromatography with diode array detection (HPLC-DAD) to determine the presence of five triazole fungicides. The results showed that the method we proposed could effectively determine the target fungicides in rat blood samples.