hollow-fiber liquid phase microextraction
Sludge Removal of Nonsteroidal Anti Inflammatory Drugs during Wastewater Treatment Studied by Direct Hollow Fiber Liquid Phase Microextraction
... direct hollow fiber liquid phase microextraction method was applied to water as well as sludge samples collected from the primary, secondary and tertiary treatment respectively and the ...
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Extraction and Determination of Three Chlorophenols by Hollow Fiber Liquid Phase Microextraction Spectrophotometric Analysis, and Evaluation Procedures Using Mean Centering of Ratio Spectra Method
... termed hollow fiber liquid phase microextraction (HF-LPME) was utilized to extract three chlo- rophenols, 2-chlorophenol (2-CP), 2,4-dichlorophenol (2,4-DCP) and 2,4,6-trichlorophenol ...
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Trace Determination of Tamoxifen in Biological Fluids Using Hollow Fiber Liquid Phase Microextraction Followed by High Performance Liquid Chromatography Ultraviolet Detection
... of hollow fiber liquid-phase microextraction (HF-LPME) combined with high-performance liquid chromatography-ultraviolet detection (HPLC-UV) was evaluated for the extraction and ...
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The application of hollow fiber liquid phase microextraction based on green chemistry to analyze carcinogenic nitrosamines in food samples
... A hollow fiber membrane has a larger area per unit volume; therefore it is more effective to perform the ...of hollow fiber membrane has a density of 3000 total M 2 /M 3 compared to flat ...
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Hollow-Fiber liquid-phase Microextraction Followed by High Performance Liquid Chromatography for the Determination of Trace Amounts of Methylphenidate Hydrochloride in Biological Fluids
... Stirringof sample solution have greet effect to the analyte diffusion, which can be acceleratedextraction process and shorten the time of extraction to reach the extraction equilibrium.Stirring of sample solution ...
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Hollow IFber Based Liquid Phase Microextraction Combined High Performance Liquid Chromatograph for the Determination Trace Amounts of Opiclone in Biological Fluids
... three-phase hollow-fiber liquid-phase microextraction combined with HPLC-UV was proposed for the determination of zopiclone in urine ...donor phase composition, salt ...
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Preconcentration and Determination of Organophosphorus Pesticides in Water Samples by Carbon Nanotube Reinforced Hollow Fiber Solid/Liquid Phase Microextraction and Gas Chromatography-Flame Ionization Detector
... before microextraction of the OPs compounds in organic solvent, respectively that were obtained based on direct injection of the OPs solutions in methanol into the GC for ...
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Preconcentration and Determination of Cyproheptadine by using Liquid Phase Microextraction and Solvent Bar in Biological Fluids in Trace Level
... bar microextraction combined with HPLC-UV was used for the detection and determination of Cyproheptadine in biological ...acceptor phase, extraction time, stirring rate, salt addition and sample solution ...
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Liquid and solid phase microextraction methods for the analysis of organic environmental pollutants
... film microextraction was studied, where multi-walled carbon nanotube (MWCNT)- impregnated agarose film was synthesized and applied as adsorbent film in solid phase microextraction ...
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Phase equilibrium and partition coefficient of selected pesticides and nitrophenols in double and triple-phase liquid-phase microextraction
... three-phase hollow fiber-protected liquid-phase microextraction method (HF-LPME) has been developed and used for the determination of partition coefficient and analysis of ...
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Ionic liquid loaded hollow fiber membrane as a solid phase microextraction fiber; application in determination of aromatic hydrocarbons in water samples
... solid-phase microextraction (SPME) coupled with capillary gas ...SPME fiber was prepared based on imidazolium ionic liquids loaded on hollow fiber membrane pores using sol-gel ...
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Optimization of sol-gel hybrid mediated hollow fiber-solid phase microextraction for the analysis of selected aldehydes
... for hollow fiber-solid phase microextraction of aflatoxins: B1 and B2, in cereals combined with high performance liquid chromatography– diode array ...
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Determination of Trace Amounts of Methamphetamine in Biological Samples by Hollow Fiber Liquid-phase Microextraction Followed by High Performance Liquid Chromatography
... µL sample loop, YL9101 vacuum degasser and a YL 9120 UV-Vis detector was used for Separation and detection of the target analyte. Chromatographic data were recorded and analyzed using Younglin Auto Chro 3000 software. ...
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Dispersive Liquid-Liquid Microextraction and determination of Platinum(IV) by High Performance Liquid Chromatography
... The effect of increasing ionic strength of aqueous phase on the performance of DLLME was investigated by adding NaCl ( 0 – 10% w/v) into the sample while the other conditions were kept constant. The results are ...
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The Role of Spinneret Configurations on Hollow Fiber Formation and Impacts of Hollow Fiber Geometry on Thermal and Acoustic Properties.
... Each filament in a multifilament yarn interacts with the surrounding filaments resulting in differences in heating and cooling (quench) across the fiber bundle. When fibers are quenched with air blowing from one ...
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SOLID PHASE MICROEXTRACTION Biomedical Applications pdf
... injection port is dependent on the injection depth, injector temperature, and exposure time. A narrow- bore GC injector insert is required to ensure high linear S ow and the R bre needs to be exposed immedi- ately after ...
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Dispersive liquid-liquid microextraction methods for the determination of Triazine herbicides in aqueous samples
... 2006. Liquid-liquid-liquid microextraction with automated movement of the acceptor and the donor phase for the extraction of phenoxyacetic acids prior to liquid chromatography ...
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SOLID PHASE MICROEXTRACTION Environmental Applications pdf
... SPME is currently poised to become one of the major sample preparation methods for aqueous environ- mental samples in the future. The advantages that it offers, such as ease of use, no solvent and no plug- ging, make it ...
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Liquid-gas boundary catalysis by gold/polystyrene-coated hollow titania and the effective location of active sites in liquid-liquid phase-boundary catalyst
... the liquid-gas PBC ...(CS), hollow titania (HT) and gold/polystyrene-coated hollow titania ...thickness, hollow sphere’s size, crystalline phase and crystallite size of ...
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Performance of Hollow Fiber Membrane Gas-Liquid Contactors to Absorb CO2 Using Diethanolamine (Dea) as a Solvent
... and liquid flow rates in the contactor were varied to find their effects on the mass transfer ...of liquid velocity in the ...with liquid velocity since a higher liquid velocity could improve ...
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