Liquid-liquid microextraction
Determination of Parabens in Breast Milk Samples by Dispersive Liquid-Liquid Microextraction (DLLME) and Ultra-High-Performance Liquid Chromatography Tandem Mass Spectrometry
... dispersive liquid-liquid microextraction (DLLME) and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS) to determine simultaneously methylparaben ...
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A liquid-liquid microextraction system for pb and cd enrichment and determination by flame atomic absorption spectrometry.
... A LIQUID-LIQUID MICROEXTRACTION SYSTEM FOR Pb AND Cd ENRICHMENT AND DETERMINATION BY FLAME ATOMIC ABSORPTION ...solvent microextraction and dithizone as complexing agent with FAAS was ...
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Development of an analytical method for the determination of hexavalent chromium in water samples based on liquid-liquid microextraction with detection by flame atomic absorption spectrometry.
... ON LIQUID-LIQUID MICROEXTRACTION WITH DETECTION BY FLAME ATOMIC ABSORPTION ...using liquid-liquid microextraction (LLME) and detection by Flame Atomic Absorption Spectrometry (F ...
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ULTRASOUND VORTEX ASSISTED DISPERSIVE LIQUID-LIQUID MICROEXTRACTION (USVADLLME) APPLIED TO THE DETERMINATION OF THE TRIAZOLE FLUTRIAFOL AND TRIAZINES AND TRIAZINONES PESTICIDES IN WATER.
... DISPERSIVE LIQUID–LIQUID MICROEXTRACTION (USVADLLME) APPLIED TO THE DETERMINATION OF THE TRIAZOLE FLUTRIAFOL AND TRIAZINES AND TRIAZINONES PESTICIDES IN ...dispersive liquid–liquid ...
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Magnetic Solid-Phase Extraction Combined with Dispersive Liquid-Liquid Microextraction Followed by HPLC for Determination of Four Aromatic Amines Released from Azo Dyes in Paper Samples
... dispersive liquid-liquid microextraction (DLLME) with magnetic solid-phase extraction (MSPE) is presented for pre-concentration of four primary aromatic amines (PAAs) released from azo dyes in paper ...
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J. Braz. Chem. Soc. vol.28 número5
... dispersive liquid-liquid microextraction (DLLME) and ultrasonic assisted liquid-liquid microextraction (USAEME) combined with high-performance liquid chromatography (HPLC) ...
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J. Braz. Chem. Soc. vol.22 número9
... novel liquid-phase microextraction technique, named dispersive liquid-liquid microextraction (DLLME). This method is a miniaturized LLE that uses microliter volumes of extraction ...
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J. Braz. Chem. Soc. vol.26 número6
... solvent-dispersive liquid-liquid microextraction (ST-AS-DLLME) technique for determination of cyanide ions by microvolume UV-Vis spectrophotometry was ...
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J. Braz. Chem. Soc. vol.23 número1
... a microextraction technique against very high content of ...homogeneous liquid-liquid microextraction (HLLME) based on ILs, termed in situ solvent formation microextraction (ISFME), was ...
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Quím. Nova vol.35 número1
... thods of sample preparation. They are employed in the separation and preconcentration of environmental contaminants in different matrices and can solve some of the problems, encountered with the conventional pretreatment ...
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J. Braz. Chem. Soc. vol.26 número11
... dispersive liquid-liquid microextraction (DLLME) based on low density solvents (LDS) combined with liquid chromatography with diode array detector (LC-DAD) method for the simultaneous ...
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J. Braz. Chem. Soc. vol.27 número10
... demulsification-dispersive liquid-liquid microextraction based on solidification of floating organic drop coupled with high perfomence liquid chromatography was ...performance liquid ...
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J. Braz. Chem. Soc. vol.26 número10
... dispersive liquid-liquid microextraction based on solidification of a floating organic drop (DLLME-SFO) technique, was proposed for the determination of 4-nitrophenol and 2-nitrophenol in water ...
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Quím. Nova vol.35 número1
... Liquid-liquid microextraction (Liquid Phase Microextraction, LPME) has gained attention in recent years, mainly as a technique for sample preparation for chromatographic and ...
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J. Braz. Chem. Soc. vol.23 número7
... Dispersive liquid-liquid microextraction (DLLME) using ionic liquid (IL) as extraction solvent was developed as a new approach for the determination of four pyrethroid pesticides in ...
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Avaliação da microextração líquido-líquido dispersiva para determinação do levetiracetam...
... inglês, Microextraction Liquid-Phase) baseada no uso mínimo de solvente orgânico (µL) (fase aceptora) para a extração de analitos provenientes de uma matriz aquosa (fase doadora) (SARAFRAZ-YAZDI; ...
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J. Braz. Chem. Soc. vol.28 número6
... This study introduced a new, simple, cheap, sensitive ultrasonic and air assisted liquid-liquid microextraction, and employed a newly home-designed extraction tube device (IT-UAA-LLME) combined with ...
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LIQUID-LIQUID EXTRACTION OF AROMATICS FROM HYDROCARBON MIXTURES IN CAPILLARIES
... Various liquid-liquid flow patterns can be generated in micro-channels, namely: (a) drop flow, (b) slug flow (c) slug drop flow (d) deformed interface flow (e) annular and parallel flow (f) slug-dispersed ...
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Braz. J. Pharm. Sci. vol.51 número2
... fast liquid-liquid extraction (LLE) followed by high- performance liquid chromatography method is described that could be used for both pharmacokinetic and therapeutic drug monitoring (TDM) ...
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Ultrasound-assisted aqueous enzymatic extraction of oil from perilla seeds and determination of its physicochemical properties, fatty acid composition and antioxidant activity
... probably attributable to accelerated oxidation brought about by the elevated operational temperature and prolonged extraction time used in the conventional SE process (Latif & Anwar, 2011). The saponification values ...
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