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A procedure for determination of cobalt in water samples after dispersive liquid–liquid microextraction
(Elsevier, 2009)
In this work, a procedure for preconcentration of cobalt using dispersive liquid–liquid microextraction (DLLME) with the reagent Br-TAO as complexing reagent was developed. The procedure is based on a ternary system of ...
Inorganic selenium speciation analysis in Allium and Brassica vegetables by ionic liquid assisted liquid-liquid microextraction with multivariate optimization
(Elsevier, 2017-03)
A highly sensitive vortex assisted liquid-liquid microextraction (VA-LLME) method was developed for inorganic Se [Se(IV) and Se(VI)] speciation analysis in Allium and Brassica vegetables. Trihexyl(tetradecyl)phosphonium ...
Liquid-phase microextraction combined with high-performance liquid chromatography for the enantioselective analysis of mefloquine in plasma samples
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
A simple and rapid method, which involves liquid-phase microextraction (LPME) followed by HPLC analysis using Chiralpak AD column and UV detection, was developed for the enantioselective determination of mefloquine in ...
Ultrasound-assisted dispersive liquid–liquid microextraction of tetracycline drugs from egg supplements before flow injection analysis coupled to a liquid waveguide capillary cell
(2016-09-01)
A simple, rapid, and efficient ultrasound-assisted dispersive liquid–liquid microextraction (US-DLLME) method was developed for extraction of tetracycline residues from egg supplement samples, with subsequent determination ...
High-throughput determination of phenolic compounds in virgin olive oil using dispersive liquid-liquid microextraction-CZE microextraction-capillary zone electrophoresis
(Wiley Vch Verlag, 2013-06)
This article reports a simple methodology using dispersive liquid-liquid microextraction (DLLME) combined with CZE. It has been applied for the simultaneous determination of phenolic compounds such as caffeic, gallic, ...
Determination of inorganic selenium species in water and garlic samples with on-line ionic liquid dispersive microextraction and electrothermal atomic absorption spectrometry
(Elsevier Science, 2011-09)
A non-chromatographic separation and preconcentration method for Se species determination based on the use of an on-line ionic liquid (IL) dispersive microextraction system coupled to electrothermal atomic absorption ...
A fast-multiclass method for the determination of 21 endocrine disruptors in human urine by using vortex-assisted dispersive liquid-liquid microextraction (VADLLME) and LC-MS/MS
(2020-10-01)
Simplicity, speed, and reduced cost are essential demands for routine analysis in human biomonitoring studies. Moreover, the availability of higher volumes of human specimens is becoming more restrictive due to ethical ...
Hollow fiber liquid-phase microextraction-gas chromatography-mass spectrometry method to analyze bisphenol a and other plasticizer metabolites
(Universidade Federal de Minas GeraisBrasilICX - DEPARTAMENTO DE QUÍMICAUFMG, 2017)
Ionic liquids for improving the extraction of NSAIDs in water samples using dispersive liquid–liquid microextraction by high performance liquid chromatography-diodearray–fluorescence detection
(Elsevier, 2015)
A rapid,sensitive and efficient analytical method base dont heuse of ionic liquids for determination of
non-steroidalanti-inflammatory drugs(NSAIDs)in water samples was developed. High-performance
liquid chromatography ...
Dispersive liquid–liquid microextraction and gas chromatography accurate mass spectrometry for extraction and non-targeted profiling of volatile and semi-volatile compounds in grape marc distillates
(Elsevier Science, 2018-04)
The suitability of dispersive liquid–liquid microextraction (DLLME) and gas chromatography accurate mass spectrometry (GC–MS), based on a time-of-flight (TOF) MS analyzer and using electron ionization (EI), for the ...