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Air-assisted liquid-liquid microextraction

Air-assisted Liquid-liquid Microextraction vs. Dispersive Liquid-liquid Microextraction; A Comparative Study for the Analysis of Multiclass Pesticides

Air-assisted Liquid-liquid Microextraction vs. Dispersive Liquid-liquid Microextraction; A Comparative Study for the Analysis of Multiclass Pesticides

... as liquid-liquid extraction (LLE) [7,8], solid phase extraction (SPE) [9,10], QuEChERS [11], single drop microextraction (SDME) [12,13], and solid phase microextraction (SPME) [14,15] were ...

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Determination of Synthetic Phenolic Antioxidants in Biological Fluids Based on Air-assisted Liquid-liquid Microextraction Followed by Gas Chromatography-flame Ionization Detection

Determination of Synthetic Phenolic Antioxidants in Biological Fluids Based on Air-assisted Liquid-liquid Microextraction Followed by Gas Chromatography-flame Ionization Detection

... An air-assisted liquid-liquid microextraction method for the extraction and preconcentration of trace amounts of some synthetic phenolic antioxidants in biological fluids followed by ...

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Air-assisted Liquid Liquid Microextraction Combined with Graphite Furnace Atomic Absorption Spectrometry for Preconcentration and Determination of Trace Amount of Co(II) and Ni(II) Ions in Water Samples

Air-assisted Liquid Liquid Microextraction Combined with Graphite Furnace Atomic Absorption Spectrometry for Preconcentration and Determination of Trace Amount of Co(II) and Ni(II) Ions in Water Samples

... including liquid- liquid extraction (LLE) [14], co-precipitation [15], cloud point extraction (CPE) [16,17] and solid phase extraction (SPE) ...Therefore, liquid phase microextraction (LPME) ...

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Effervescence-assisted Dispersive Liquid-liquid Microextraction for Trace Analysis of Co(II) and Ni(II) from Aqueous Sample Based on Phthalic Acid as a Complexing agent and Co-disperser

Effervescence-assisted Dispersive Liquid-liquid Microextraction for Trace Analysis of Co(II) and Ni(II) from Aqueous Sample Based on Phthalic Acid as a Complexing agent and Co-disperser

... drop microextraction (SDME) [38] and hollow fiber liquid- phase microextraction (HF-LPME) [39] were developed as solvent minimized sample pretreatment ...Dispersive liquid-liquid ...

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One-step ionic liquid-based ultrasound-assisted dispersive liquid–liquid microextraction coupled with high-performance liquid chromatography for the determination of pyrethroids in traditional Chinese medicine oral liquid preparations

One-step ionic liquid-based ultrasound-assisted dispersive liquid–liquid microextraction coupled with high-performance liquid chromatography for the determination of pyrethroids in traditional Chinese medicine oral liquid preparations

... Oral liquid is one of the most commonly used TCM preparations, and residues of pyrethroid pesticides in TCM oral liquid preparations greatly affect the patients’ health and course of ...

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				APPLICATION OF RESPONSE SURFACE MODELING FOR OPTIMIZATION AND DETERMINATION OF MALONDIALDIALDEHYDE BY VORTEX-ASSISTED DISPERSIVE LIQUID-LIQUID MICROEXTRACTION AND GC-FID

← Return to Article Details APPLICATION OF RESPONSE SURFACE MODELING FOR OPTIMIZATION AND DETERMINATION OF MALONDIALDIALDEHYDE BY VORTEX-ASSISTED DISPERSIVE LIQUID-LIQUID MICROEXTRACTION AND GC-FID

... transferred into a 10-mL glass extraction vessel. A mixture of 450 μL acetic acid as dispersive solvent with 150 μL benzyl alcohol as extracting solvent is transferred into the vessel. The mixture was then vigorously ...

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Application of Ultrasound-assisted Emulsification Solidification of Floating Organic Drop Microextraction for Preconcentration and Trace Detection of Iron (III) in Water and Human Urine Samples

Application of Ultrasound-assisted Emulsification Solidification of Floating Organic Drop Microextraction for Preconcentration and Trace Detection of Iron (III) in Water and Human Urine Samples

... The influence of ultrasonic time: Mass transfer of analyses from aqueous solution to solvent extraction can be done quickly and ultrasonic process plays an important role in separation metal cations with the proposed ...

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Analysis of trihalomethane formation potential in river water using dispersive liquid-liquid microextraction technique

Analysis of trihalomethane formation potential in river water using dispersive liquid-liquid microextraction technique

... namely liquid- liquid extraction (LLE), purge and trap (P&T), direct aqueous injection (DAI) and headspace techniques (Pavon et ...phase microextraction (SPME) has also been employed for analysis ...

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Development of Dispersive Liquid-Liquid Microextraction  Procedure for Trace Determination of Malathion Pesticide in Urine Samples

Development of Dispersive Liquid-Liquid Microextraction Procedure for Trace Determination of Malathion Pesticide in Urine Samples

... including liquid-liquid extraction (LLE) (22) and solid- phase extraction (SPE) (23, 24) were often ap- plied for extraction and pre-concentration of ana- lytes from sample ...in liquid-phase mi- ...

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Analysis of opioids in postmortem urine samples by dispersive liquid-liquid microextraction and high performance liquid chromatography with photo diode array detection

Analysis of opioids in postmortem urine samples by dispersive liquid-liquid microextraction and high performance liquid chromatography with photo diode array detection

... Recently, microextraction procedures are the most effect- ive sample preparation methods prior ...example, liquid-phase microextraction (LPME) was successfully used for extraction of analytes from ...

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Ionic Liquid Based Dispersive Liquid Liquid Microextraction and Enhanced Determination of the Palladium in Water, Soil and Vegetable Samples by FAAS

Ionic Liquid Based Dispersive Liquid Liquid Microextraction and Enhanced Determination of the Palladium in Water, Soil and Vegetable Samples by FAAS

... was added to the beaker. The mixture was evaporated on a hot plate at about 130 °C for 4 h. After cooling down to room temperature, 3 mL of concentrated hydrogen peroxide (30%, w/w) was added. The mixture was again ...

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Determination of Cobalt in Food, Environmental and  Water Samples with Preconcentration by Dispersive  Liquid Liquid Microextraction

Determination of Cobalt in Food, Environmental and Water Samples with Preconcentration by Dispersive Liquid Liquid Microextraction

... Dispersive liquid-liquid microextraction (DLLME) is a modified solvent extraction method and its acceptor- to-donor phase ratio is greatly reduced comparing with the other methods ...

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Application of Dispersive Liquid-Liquid 
										Microextraction and Dispersive 
										Liquid-Liquid Microextraction Based on 
										Solidification of Floating Organic Drop 
										for the Preconcentration of Crocin in 
										the Saffron

Application of Dispersive Liquid-Liquid Microextraction and Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Drop for the Preconcentration of Crocin in the Saffron Samples

... dispersive liquid-liquid micro-extraction (DLLME) and dispersive liquid-liquid micro-extraction based on solidification of floating organic drop (DLLME-SFO) were compared for the extraction ...

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Evaluation of thallium rate in soil after dispersive liquid-liquid micro-extraction

Evaluation of thallium rate in soil after dispersive liquid-liquid micro-extraction

... dispersive liquid-liquid microextraction based on solidification of floating organic drop as a sample preparation method with ultrasound for separation and preconcentration of an ultra-trace amount ...

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Vol 2, No 4 (2013)

Vol 2, No 4 (2013)

... phase microextraction (HS-SPME) followed by gas chromatography mass spectrometric detection (GC-MS) was used for the study of the correlation between quantitative sensorial descriptors and chromatographic ...

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				FLOTATION-ASSISTED HOMOGENEOUS LIQUID-LIQUID MICROEXTRACTION FOR TRACE DETERMINATION OF URANIUM IN WATER SAMPLES BY ICP-MS

← Return to Article Details FLOTATION-ASSISTED HOMOGENEOUS LIQUID-LIQUID MICROEXTRACTION FOR TRACE DETERMINATION OF URANIUM IN WATER SAMPLES BY ICP-MS

... These methods, include the immersion and adsorption on porous materials or materials with large adsorption cross sections (active carbon membrane and ash), supercritical fluid extraction, electro-synthetic techniques ...

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Ion-association dispersive liquid–liquid microextraction of ultra-trace amount of gold in water samples using Aliquat 336 prior to inductively coupled plasma atomic emission spectrometry determination

Ion-association dispersive liquid–liquid microextraction of ultra-trace amount of gold in water samples using Aliquat 336 prior to inductively coupled plasma atomic emission spectrometry determination

... Because of high toxicity and limitation in extracting various analytes of commonly used extraction solvents, two different aspects (I) the use of new solvents, typic- ally ionic liquids and (II) the expansion of the ...

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An Ion-pair Dispersive Liquid-Liquid Microextraction for Simultaneous Determination of Synthetic Dyes in Ice Cream Samples by HPLC

An Ion-pair Dispersive Liquid-Liquid Microextraction for Simultaneous Determination of Synthetic Dyes in Ice Cream Samples by HPLC

... Then, in order to achieve highest efficiency in the release of dye from ice cream, the suspension is placed in an ultrasonic bath. Ultrasound assisted extraction (UASE) is an inexpensive, simple, and efficient ...

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Recent developments and applications of dispersive liquid–liquid microextraction (DLLME)

Recent developments and applications of dispersive liquid–liquid microextraction (DLLME)

... phase microextraction (LPME) (He, et al., 1997) and phase microextraction (SPME) (Helena, et ...drop microextraction (SDME) (Jeannot, et ...bar microextraction (SBME) (Jiang, et ...

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Quantitative Detection of Trace Malachite Green in Aquiculture Water Samples by Extractive Electrospray Ionization Mass Spectrometry

Quantitative Detection of Trace Malachite Green in Aquiculture Water Samples by Extractive Electrospray Ionization Mass Spectrometry

... the higher detection sensitivity in those analyses is achieved at the cost of time-consuming sample pretreatment steps. The LOD of EESI-MS/MS can be greatly improved if potentially combined with organic extraction (such ...

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