... e-liquids) based on headspace solid-phase microextraction (h-SPME) is described. The free-base concentration ,i,c,/i,,sub,e,fb ... Measurement of the Free-Base Nicotine Fraction (αfb) in Electronic Cigarette Liquids by Headspace Solid-Phase Microextraction ... Measurement of the Free-Base Nicotine Fraction (αfb) in Electronic Cigarette Liquids by Headspace Solid-Phase Microextraction ... "e-liquids") based on headspace solid-phase microextraction (h-SPME) is described. The free-base concentration ce,fb = αfbce,T, ...

Solid-Phase Microextraction as a preconcentration Technique for the analysis of Phenols by Liquid Chromatography and Capillary ... Analysis of pentachlorophenol in wood by solid-phase microextraction coupled to liquid chromatography. ExTech-2001. Barcelona, ... 25th International Symposium on High Performance Liquid Phase Separations and Related Techniques (HPLC 2001). Maastricht, NLD. ... 24th International Symposium on High Performance Liquid Phase Separations and Related Techniques HPLC2000. Seattle, USA. (-- ...

... as one of extraction solvent was considered for preconcentration and determination of parabens in liquid pharmaceutical samples ... In this paper dispersive liquid-liquid microextraction using deep eutectic solvent, ... liquid phase microextraction (LPME) [8], single-drop microextraction (SDME) [9], hollow-fiber liquid-phase microextraction (HF- ... and dispersive liquid-liquid microextraction (DLLME) are modified forms of liquid phase extraction technique. They offer higher ...

Chaieb, N., Lõpez-Mesas, M., González, J. L., Mars, M., & Valiente, M. (2015). Hollow fibre liquid phase micro-extraction by ... Chaieb, N, Lõpez-Mesas, M, González, JL, Mars, M & Valiente, M 2015, Hollow fibre liquid phase micro-extraction by facilitated ... Hollow fibre liquid phase micro-extraction by facilitated anionic exchange for the determination of flavonoids in faba beans ( ... Hollow fibre liquid phase micro-extraction by facilitated anionic exchange for the determination of flavonoids in faba beans ( ...

Determination of lead in milk samples using vortex assisted deep eutectic solvent based liquid phase microextraction-slotted ... Keywords: Deep eutectic solvent, Lead, Liquid phase microextraction, Flame atomic absorption spectrometry, WATER SAMPLES, HEAVY ... after the preconcentration with deep eutectic solvent-based liquid phase microextraction (DES-LPME). A green solvent was used ...

Measurement of the free-base nicotine fraction (α(fb)) in electronic cigarette liquids by headspace solid-phase microextraction ... "e-liquids") based on headspace solid-phase microextraction (h-SPME) is described. The free-base concentration c(e,fb) = α(fb)c( ... protonate nicotine in water versus in an e-liquid phase, α(fb,w,1:10) values can be significantly less than actual e-liquid α( ... e,T), where c(e,T) is the total (free-base + protonated) nicotine in the liquid. For gas/liquid equilibrium of the volatile ...

Successive liquid-phase microextraction of acidic and basic analytes.. Zhu R; Mei H; Liu H; Hong C; Shen X; Huang C. Anal Chim ...

Sereshti, H.; Samadi, S., Comparison of hydrodistillation-headspace liquid phase microextraction techniques with ... using Simultaneous Hydrodistillation-Static Headspace Liquid Phase Microextraction - Gas Chromatography Mass Spectrometry, J. ... Active phase. I. Reference. Comment. Capillary. CP-Wax. 2303.. Ka, Choi, et al., 2005. 30. m/0.32 mm/0.25 «mu»m, He, 40. C @ 2 ... Active phase. I. Reference. Comment. Capillary. OV-1. 1606.. Nibret and Wink, 2009. 30. m/0.25 mm/0.25 «mu»m, Helium, 40. C @ 2 ...

using Simultaneous Hydrodistillation-Static Headspace Liquid Phase Microextraction - Gas Chromatography Mass Spectrometry, J. ...

Chiral analysis of drugs at the low ng/ml level in human plasma by liquid-phase microextraction and capillary electrophoresis. ... Liquid-phase microextraction combined with capillary electrophoresis for the determination of mianserin enantiomers in plasma. ... Liquid-phase microextraction combined with capillary electrophoresis, a promising tool for the determination of chiral drugs in ... The combination of liquid-phase microextraction (LPME), a recently developed sample preparation technique [1], with capillary ...

Expanding the applicability of poly(Ionic Liquids) in solid phase microextraction: Pyrrolidinium coatings. Patinha, D. J. S., ...

In vivo solid-phase microextraction liquid-chromatography-tandem mass spectrometry for monitoring blood eicosanoids time ... Thin-film microextraction offers another geometry for solid-phase microextraction. Trends Anal Chem 39:245-253, doi:10.1016/j. ... In vivo solid-phase microextraction sampling of human saliva for non-invasive and on-site monitoring. Anal Chim Acta 856:35-45 ... Solid-phase microextraction in metabolomics. Trends Anal Chem 61:168-180, doi:10.1016/j.trac.2014.07.005. Crossref, Google ...

Trace Determination of Tamoxifen in Biological Fluids Using Hollow Fiber Liquid-Phase Microextraction Followed by High- ... Performance Liquid Chromatography-Ultraviolet Detection (Articles) Amir Kashtiaray, Hadi Farahani, Sharareh Farhadi, Bertrand ...

The extraction system consisted of a solid/liquid interface that permitted a three-phase microextraction approach involving an ... Electro membrane extraction-solid-liquid phase microextraction (EME-SLPME) was developed for the first time to determine ... The analytes were transported by application of an electrical potential difference of 100V across the sorbent/solvent phase ... aqueous sample (donor phase): an organic solvent-sorbent within a membrane bag, and an organic solvent (extractant phase), ...

... "e-liquids") based on headspace solid-phase microextraction (h-SPME) is described. The free-base concentration ce,fb = αfbce,T, ... in Electronic Cigarette Liquids by Headspace Solid-Phase Microextraction.. Authors: Pankow, James F; Luo, Wentai; McWhirter, ... because of the generally greater abilities of organic acids to protonate nicotine in water versus in an e-liquid phase, αfb,w,1 ... where ce,T is the total (free-base + protonated) nicotine in the liquid. For gas/liquid equilibrium of the volatile free-base ...

Using headspace "solid-phase microextraction" to evaluate peats for their capacities to remove odorous compounds from liquid ... "Solid-Phase Microextraction" Analysis to Test Peats for Removal of Odorous Compounds from Liquid Swine Manure: Final Report to ... Using solid-phase microextraction with gas chromatography to assess trihalomethane content in water. 227th American Chemical ... Using gas chromatography with solid-phase microextraction to evaluate peats for their capacities to extract methyl tertiary ...

Development of Effervescent-assisted Liquid Phase Microextraction using 1-dodecanol for Determination of Ketoprofen Drug in ... Steady Marangoni Instability in a Liquid Layer with Deformable Free Surface in the Presence of Insoluble Surfactant and ...

Determination of Barbiturates in Biological Specimens by Flat Membrane-Based Liquid-Phase Microextraction and Liquid ... Solid-phase extraction and GC/MS confirmation of barbiturates from human urine. Pocci R, Dixit V, Dixit VM. Pocci R, et al. J ... Improved gas chromatography/mass spectrometry analysis of barbiturates in urine using centrifuge-based solid-phase extraction, ... Simultaneous Determination of Phenobarbital, Pentobarbital, Amobarbital and Secobarbital in Raw Milk via Liquid Chromatography ...

Tsourounaki, K., Psillakis, E. (2011). Application of three phase hollow fiber liquid-phase microextraction for the extraction ... Tsourounaki, K., Psillakis, E. (2011). Application of three phase hollow fiber liquid-phase microextraction for the extraction ... Tsourounaki, K., Psillakis, E. (2011). Application of three phase hollow fiber liquid-phase microextraction for the extraction ... and E. Psillakis (2013). Application of solid phase microextraction for studying the photolysis of di-n-propylisocinchomeronate ...

Solid-phase extraction followed by dispersive liquid-liquid microextraction for the sensitive determination of ecstasy ... Trace determination of bisphenol-A in landfill leachate samples by dispersive liquid- liquid microextraction followed by high ... Development of an efficient procedure for the preconcentration of copper(II) after solid phase extraction on modified sawdust ... Removal of lead(II) ions from aqueous solutions using cashew nut shell liquid-templated thiol-silica materials ...

Application of gas flow headspace liquid phase micro extraction coupled with gas chromatography-mass spectrometry for ... Response surface optimization of a vortex-assisted dispersive liquid-liquid microextraction method for highly sensitive ... New solid phase methodology for the synthesis of biscoumarin derivatives: experimental and in silico approaches ... Analysis of N7-(2-carbamoyl-2-hydroxyethyl)guanine in dried blood spot after food exposure by Ultra High Performance Liquid ...

... liquid-liquid extraction (LLE) [7], ion chromatography [8, 9], high-performance liquid chromatography (HPLC) [10], solid phase ... extraction (SPE) [11-15], solidification of floating drop microextraction (SFDME) [16], and coprecipitation [17, 18], have been ... S. G. Ozcan, N. Satiroglu, and M. Soylak, "Column solid phase extraction of iron(III), copper(II), manganese(II) and lead(II) ... M. A. Karimi, A. Hatefi-Mehrjardi, S. Z. Mohammadi et al., "Solid phase extraction of lead(II) trace amounts in opium, heroin, ...

They are based on chlorophenol liquid-liquid or solid phase extraction followed by derivatization with diazomethane, methylene ... M. Llompart, M. Lourido, P. Landín, C. García-Jares, and R. Cela, "Optimization of a derivatization-solid-phase microextraction ... solid-phase microextraction [125], or supercritical fluid extraction [126]. 7. Conclusions and Future Research. Chlorophenols ... Use of liquid-solid extraction cartridges for stabilization of phenols," Journal of Chromatography A, vol. 778, no. 1-2, pp. ...

Application of a static solid-phase microextraction procedure combined with liquid-liquid extraction to determine poly(dimethyl ... Yang, L.; Luan, T.; Lan, C., Solid-phase microextraction with on-fiber silylation for simultaneous determinations of endocrine ... Yang, L.M., Kinetic Theory of Diffusion in Gases and Liquids II. General Kinetic Theory of Liquid Mixtures, Proc. Roy. Soc. ( ... in the liquid phase, Proc. 4th Asian Thermophysical Properties Conference, Tokyo Japan, 1995, 870. [all data] ...

For the extraction of derivatized organotin compounds, hollow fiber liquid phase microextraction method has been suggested and ... Ionic liquids in microextraction techniques // Central European journal of chemistry. Warsaw : Versita, co-published with ... Investigation of chromatographic behaviour of imidazolium ionic liquid cations by ultra performance liquid chromatography ... Pure cubic garnet phase was formed only at low concentration of samarium. Different aqueous sol-gel chemistry routes based on ...

Solid Phase Microextraction (SPME) is a sampling technique that uses a thin polymer fiber with a hydrophobic coating. The ... making each mercury species molecule volatile so that it can escape the liquid phase and accumulate in the gaseous phase (" ...

... solid-phase extraction and solid phase microextraction coupled to gas chromatography-mass spectrometry (GC-MS), liquid ... "Analysis of Diphenhydramine (DPH) in Urine Samples Using Dispersive Liquid-Liquid Microextraction (DLLME) and GC-MS" Quest, ... in biological samples using extraction techniques such as dispersive liquid-liquid microextraction (DLLME), ... G. Peterson, A. Donahoe, and V. Niri, Chemical Analysis of Electronic Cigarettes Using Solid Phase Microextraction and Needle ...

Miniaturized methods of liquid-liquid extraction.. Entry Term(s). Liquid-Liquid Microextraction Micro Liquid Phase Extraction ... Miniaturized methods of liquid-liquid extraction.. Terms. Liquid Phase Microextraction Preferred Term Term UI T779131. Date10/ ... Liquid-Liquid Microextraction Term UI T779132. Date10/15/2010. LexicalTag NON. ThesaurusID NLM (2012). ... Liquid Phase Microextraction Preferred Concept UI. M0550847. Scope Note. ...

Miniaturized methods of liquid-liquid extraction.. Entry Term(s). Liquid-Liquid Microextraction Micro Liquid Phase Extraction ... Miniaturized methods of liquid-liquid extraction.. Terms. Liquid Phase Microextraction Preferred Term Term UI T779131. Date10/ ... Liquid-Liquid Microextraction Term UI T779132. Date10/15/2010. LexicalTag NON. ThesaurusID NLM (2012). ... Liquid Phase Microextraction Preferred Concept UI. M0550847. Scope Note. ...

"Optimization of solid-phase microextraction conditions for the determination of triclosan and possible related compounds in ... 238000002414 normal-phase solid-phase extraction Methods 0.000 description 8 * 238000005516 engineering process Methods 0.000 ... Methods and systems for ultra-trace analysis of liquids Miró 2014. On-chip microsolid-phase extraction in a disposable sorbent ... 239000007788 liquid Substances 0.000 title description 15 * 238000004454 trace mineral analysis Methods 0.000 title description ...