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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Journal ArticleDOI
Ultrasound-assisted surfactant-enhanced emulsification microextraction using a magnetic ionic liquid coupled with micro-solid phase extraction for the determination of cadmium and lead in edible vegetable oils.
TL;DR: A novel ultrasound-assisted surfactant-enhanced emulsification microextraction using a magnetic ionic liquid (MIL) coupled with micro-solid phase extraction was developed for the preconcentration of cadmium and lead in edible vegetable oils prior to analysis by graphite furnace atomic absorption spectrometry.
Journal ArticleDOI
Development, validation and comparison of two microextraction techniques for the rapid and sensitive determination of pregabalin in urine and pharmaceutical formulations after ethyl chloroformate derivatization followed by gas chromatography-mass spectrometric analysis.
Mohana Krishna Reddy Mudiam,Abhishek Chauhan,Rajeev Jain,Ratnasekhar Ch,Ghizal Fatima,Ekta Malhotra,Ramesh C. Murthy +6 more
TL;DR: The developed methods after ECF derivatization were found to be simple, fast, efficient and inexpensive and may find wide application for the routine determination of PRG in biological as well as in quality control samples of pharmaceutical formulations.
Journal ArticleDOI
Extraction of pyridine derivatives from human urine using electromembrane extraction coupled to dispersive liquid-liquid microextraction followed by gas chromatography determination.
TL;DR: The method offered a good linearity with coefficient of determination greater than 0.9948 and was utilized for determination and quantification of pyridine compounds in smokers' urine samples.
Journal ArticleDOI
Liquid-phase microextraction in bioanalytical sample preparation.
TL;DR: This review focuses on the main L PME-related techniques, predominantly single-drop microextraction and supported hollow-fiber LPME, paying particular attention to the bioanalytical applications.
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On-line sample processing involving microextraction techniques as a front-end to atomic spectrometric detection for trace metal assays: A review
Manuel Miró,Elo Harald Hansen +1 more
TL;DR: This review surveys the progress of the state of the art in simplification and automation of microextraction approaches by harnessing to the various generations of flow injection as a front end to atomic absorption spectrometry (AAS), atomic fluorescence spectrometer (AFS) or inductively coupled plasma atomic emission spectrometers (ICP-AES/MS).
References
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Solid phase microextraction with thermal desorption using fused silica optical fibers
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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.