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
Rapid determination of tetrabromobisphenol A and its main derivatives in aqueous samples by ultrasound-dispersive liquid-liquid microextraction combined with high-performance liquid chromatography.
TL;DR: A method of ultrasound-dispersive liquid-liquid microextraction (US-DLLME) combined with high-performance liquid chromatography/variable wavelength detection (HPLC-VWD) has been developed for rapid measuring tetrabromobisphenol A and its five derivatives in water.
Journal ArticleDOI
Automated dispersive liquid-liquid microextraction based on the solidification of the organic phase.
TL;DR: The developed method was evaluated for the determination of parabens in water, urine, saliva, and personal care products and showed a high reproducibility.
Journal ArticleDOI
Analysis of losartan and carvedilol in urine and plasma samples using a dispersive liquid-liquid microextraction isocratic HPLC-UV method.
TL;DR: The developed HPLC method is applicable for therapeutic drug monitoring and PK analyses and is selective for studied drugs possessing a linearity range of 0.1-1.0 and 0.05-0.75 µg/ml with precision <15%.
Journal ArticleDOI
Determination of gold and palladium in environmental samples by FAAS after dispersive liquid–liquid microextraction pretreatment
TL;DR: In this article, a new dispersive liquid-liquid microextraction (DLLME) method is proposed for rapid separation, simultaneous extraction and preconcentration of gold and palladium at ultra trace amounts.
Journal ArticleDOI
A review on analytical methods for pharmaceutical and personal care products and their transformation products.
TL;DR: High-resolution mass spectrometry was confirmed to be a promising strategy for screening unknown transformation products, which would provide a nanogram level of detection limits and more accurate mass resolution.
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.
Journal ArticleDOI
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.