Journal ArticleDOI
Determination of organic compounds in water using dispersive liquid-liquid microextraction
Mohammad Rezaee,Yaghoub Assadi,Mohammad Reza Milani Hosseini,Elham Aghaee,Fardin Ahmadi,Sana Berijani +5 more
TLDR
The ability of DLLME technique in the extraction of other organic compounds such as organochlorine pesticides, organophosphorus pesticides and substituted benzene compounds were studied.About:
This article is published in Journal of Chromatography A.The article was published on 2006-05-26. It has received 2959 citations till now. The article focuses on the topics: Extraction (chemistry) & Aqueous two-phase system.read more
Citations
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Bioactive phytochemicals in wheat: Extraction, analysis, processing, and functional properties
TL;DR: In this paper, the authors provide information on the distribution, extractability, analysis, and functional properties of bioactive phytochemicals present in wheat, including phenolic acids, carotenoids, tocopherols, alkylresorcinols, benzoxazinoids, phytosterols, and lignans.
Journal ArticleDOI
Dispersive liquid–liquid microextraction based on solidification of floating organic droplet followed by high-performance liquid chromatography with ultraviolet detection and liquid chromatography–tandem mass spectrometry for the determination of triclosan and 2,4-dichlorophenol in water samples
TL;DR: A novel, simple and efficient dispersive liquid-liquid microextraction technique based on solidification of floating organic droplet (DLLME-SFO) technique coupled with high-performance liquid chromatography with ultraviolet detection (HPLC-UV), which was successfully applied to determine triclosan and its degradation product 2,4-dichlorophenol in real water samples.
Journal ArticleDOI
Effervescence assisted dispersive liquid-liquid microextraction with extractant removal by magnetic nanoparticles.
TL;DR: Effervescence assisted dispersive liquid-liquid microextraction with extractant removal by magnetic nanoparticles is presented for the first time using gas chromatography (GC) coupled to mass spectrometry (MS) as analytical technique.
Journal ArticleDOI
Dispersive liquid-liquid microextraction applied to the simultaneous derivatization and concentration of triclosan and methyltriclosan in water samples.
TL;DR: Analysis of surface and wastewater samples confirmed the ubiquitous presence of TCS in the aquatic environment at levels from 20 to 700 ng L(-1) and reproducibility values below 10% were achieved.
Journal ArticleDOI
Zeolite imidazolate frameworks 8 as sorbent and its application to sonication-assisted emulsification microextraction combined with vortex-assisted porous membrane-protected micro-solid-phase extraction for fast analysis of acidic drugs in environmental water samples.
Dandan Ge,Hian Kee Lee +1 more
TL;DR: SAEME-VA-μ-SPE is a combination of two different and efficient miniaturized techniques that was demonstrated to be a fast, accurate, and convenient pretreatment procedure for trace analysis of environmental water samples.
References
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Journal ArticleDOI
Solid phase microextraction with thermal desorption using fused silica optical fibers
Journal ArticleDOI
Solvent microextraction into a single drop.
TL;DR: An analytical technique is described which combines solvent extraction with gas chromatographic (GC) analysis in a simple and inexpensive apparatus involving very little solvent consumption and is in good agreement with a convective-diffusive kinetic model.
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Analytical chemistry in a drop. Solvent extraction in a microdrop.
Hanghui Liu,Purnendu K. Dasgupta +1 more
TL;DR: This unique microextraction system is simple and flexible, permits automated backwashing, consumes only microquantities of organic solvents, and is capable of being coupled with other analytical systems.
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Liquid-Phase Microextraction in a Single Drop of Organic Solvent by Using a Conventional Microsyringe
Y. He and,Hian Kee Lee +1 more
TL;DR: In this article, two modes of liquid-phase microextraction (LPME) were developed for capillary gas chromatography, i.e., static and dynamic LPME, which involve the use of very small amounts of organic solvent in a conventional microsyringe.
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Mass Transfer Characteristics of Solvent Extraction into a Single Drop at the Tip of a Syringe Needle
TL;DR: In this article, the authors measured the amount of a sample compound extracted into a 1-μL drop of n-octane suspended in a stirred aqueous solution from the tip of a microsyringe needle.