Journal ArticleDOI
Determination of trace lead in biological and water samples with dispersive liquid-liquid microextraction preconcentration.
Pei Liang,Hongbo Sang +1 more
TLDR
The proposed method, developed by dispersive liquid-liquid microextraction preconcentration and graphite furnace atomic absorption spectrometry, successfully applied to the determination of trace amounts of lead in human urine and water samples.About:
This article is published in Analytical Biochemistry.The article was published on 2008-09-01. It has received 156 citations till now. The article focuses on the topics: Graphite furnace atomic absorption & Extraction (chemistry).read more
Citations
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Journal ArticleDOI
Evolution of dispersive liquid-liquid microextraction method.
TL;DR: This review focuses on the extra steps in sample preparation for application of DLLME in different matrixes such as food, biological fluids and solid samples and its applications in conjunction with different extraction techniques such as solid-phase extraction, solidification of floating organic drop and supercritical fluid extraction are summarized.
Journal ArticleDOI
Dispersive liquid-liquid microextraction
TL;DR: Dispersive liquid-liquid microextraction (DLLME) is a sample-preparation technique that offers high enrichment factors from low volumes of water samples.
Journal ArticleDOI
Recent developments in homogeneous and dispersive liquid-liquid extraction for inorganic elements determination. A review.
TL;DR: This review aims to provide an overview of homogeneous liquid-liquid extraction (HLLE) and dispersive liquid- liquid microextraction (DLLME) methods and their potential use in inorganic analysis.
Journal ArticleDOI
Recent development in liquid phase microextraction for determination of trace level concentration of metals—A review
TL;DR: A comprehensive collection of application of these miniaturized liquid phase extraction methodologies in combination with different analytical techniques for preconcentration and determination of ultra trace amounts of metals and organometal ions in various matrices have been summarized.
Journal ArticleDOI
Graphene-based solid-phase extraction combined with flame atomic absorption spectrometry for a sensitive determination of trace amounts of lead in environmental water and vegetable samples
TL;DR: Comparative studies showed that graphene is superior to other adsorbents including C18 silica, graphitic carbon, and single- and multi-walled carbon nanotubes for the extraction of Pb and reveals the great potential of graphene as an excellent sorbent material in analytical processes.
References
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Book
Environmental Chemistry of Soils
TL;DR: In this article, an introduction to modern soil chemistry describes chemical processes in soils in terms of established principles of inorganic, organic, and physical chemistry, providing an understanding of the structure of the solid mineral and organic materials from which soils are formed.
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
TL;DR: The ability of DLLME technique in the extraction of other organic compounds such as organochlorine pesticides, organophosphorus pesticides and substituted benzene compounds were studied.
Journal ArticleDOI
Developments in liquid-phase microextraction
TL;DR: The liquid-phase microextraction (LPME) as mentioned in this paper is a sample-preparation technique that uses a hollow fiber impregnated with an organic solvent to accommodate or protect microvolumes of acceptor solution.
Journal ArticleDOI
Hollow fiber-protected liquid-phase microextraction of triazine herbicides.
Gang Shen,Hian Kee Lee +1 more
TL;DR: The results demonstrated that hollow fiber-protected LPME was a fast, accurate, and stable sample pretreatment method that gave very good enrichment factors for the extraction of triazine herbicides from aqueous or slurry samples.
Journal ArticleDOI
Dispersive liquid-liquid microextraction combined with graphite furnace atomic absorption spectrometry: ultra trace determination of cadmium in water samples.
TL;DR: Dispersive liquid-liquid microextraction (DLLME) technique was successfully used as a sample preparation method for graphite furnace atomic absorption spectrometry (GF AAS) and is a very simple, rapid and sensitive method.