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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Determination of eight fluoroquinolones in groundwater samples with ultrasound-assisted ionic liquid dispersive liquid–liquid microextraction prior to high-performance liquid chromatography and fluorescence detection
TL;DR: An ultrasound-assisted ionic liquid dispersive liquid-liquid microextraction procedure was developed for the extraction of eight fluoroquinolones in groundwater, using high-performance liquid chromatography with fluorescence detection (HPLC-FD) and good enrichment factors and recoveries were obtained.
Journal ArticleDOI
Speciation of chromium in water samples using dispersive liquid–liquid microextraction and flame atomic absorption spectrometry
TL;DR: In this paper, a method for preconcentration is described for chromium speciation at microgram per liter to sub-microgram level, which is based on selective complex formation of both Cr(VI and Cr(III) followed by dispersive liquid-liquid microextraction and determination by microsample introduction-flame atomic absorption spectrometry.
Journal ArticleDOI
Development of a new microextraction method based on elevated temperature dispersive liquid–liquid microextraction for determination of triazole pesticides residues in honey by gas chromatography-nitrogen phosphorus detection
TL;DR: A rapid, highly efficient, and reliable sample preparation method named "elevated temperature dispersive liquid-liquid microextraction" followed by gas chromatography-nitrogen-phosphorus detection was developed for the extraction, preconcentration, and determination of five triazole pesticides in honey samples.
Journal ArticleDOI
The application of the QuEChERS methodology in the determination of antibiotics in food: A review
Chenyu Zhang,Yaocheng Deng,Jiangfu Zheng,Yang Zhang,Lihua Yang,Chanjuan Liao,Long Su,Yaoyu Zhou,Daoxin Gong,Ling Chen,Ao Luo +10 more
TL;DR: The development and application of QuEchERS for antibiotic residues in food were reviewed, and the research progress on modification and optimization of the QuEChERS methodology in sample treatment, extraction and purification is summarized in detail.
Journal ArticleDOI
Validation of method for determination of different classes of pesticides in aqueous samples by dispersive liquid–liquid microextraction with liquid chromatography–tandem mass spectrometric detection
TL;DR: The comparison of this method with solid-phase extraction indicates that DLLME is a simple, fast, and low-cost method for the determination of pesticides in natural waters.
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.