Chemical derivatization processes applied to amine determination in samples of different matrix composition [PDF]
, 2015 No abstract ...
Biziuk, Marek +3 more
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BMC Chemistry, 2019 In this study, a simple one-step ionic liquid-based ultrasound-assisted dispersive liquid–liquid microextraction technique was coupled with high-performance liquid chromatography for the analysis of four pyrethroids in three kinds of traditional Chinese ...
Yiyi Liao +8 more
doaj +1 more source
Application of dispersive liquidâliquid microextraction and high-performance liquid chromatography for the determination of cetrimonium bromide in water samples [PDF]
شیمی کاربردی روز, 2013 A simple, rapid and sensitive method for the determination of cetrimonium bromide at trace levels in water samples was developed by combining a dispersive liquid âliquid microextraction (DLLME) technique with high performance liquid ...
Maryam Rajabi, Mehri Ghazaghi
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A method validation for simultaneous determination of phthalates and bisphenol A released from plastic water containers [PDF]
, 2019 Phthalates (or phthalate esters, PAEs) and bisphenol A (BPA) are widely used in various industries, particularly in the fields of cosmetics and packaging, and they increase the malleability and workability of materials.
Avino, P. +4 more
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Modern Approaches to Preparation of Body Fluids for Determination of Bioactive Compounds
Separations, 2019 The current clinical and forensic toxicological analysis of body fluids requires a modern approach to sample preparation characterized by high selectivity and enrichment capability, suitability for micro-samples, simplicity and speed, and the possibility
Katarzyna Madej, Wojciech Piekoszewski
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Dispersive liquid–liquid microextraction combined with laser-induced breakdown spectrometry and inductively coupled plasma optical emission spectrometry to elemental analysis [PDF]
, 2015 In this paper, two analytical methodologies based on the combination of dispersive liquid–liquid microextraction with inductively coupled plasma optical emission spectrometry and laser-induced breakdown spectrometry, respectively, were evaluated for ...
Aguirre Pastor, Miguel Ángel +4 more
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An optimized analytical method for the simultaneous detection of iodoform, iodoacetic acid, and other trihalomethanes and haloacetic acids in drinking water [PDF]
, 2013 An optimized method is presented using liquid-liquid extraction and derivatization for the extraction of iodoacetic acid (IAA) and other haloacetic acids (HAA9) and direct extraction of iodoform (IF) and other trihalomethanes (THM4) from drinking water ...
He, G +6 more
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Química Nova, 2011 The determination of pesticide residues in water samples by Liquid Chromatography require sample preparation for extraction and enrichment of the analytes with the minimization of interferences to achieve adequate detection limits.
Sergiane Souza Caldas +5 more
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Screen-printed electrode based electrochemical detector coupled with ionic liquid dispersive liquid–liquid microextraction and microvolume back-extraction for determination of mercury in water samples [PDF]
, 2015 A novel approach is presented, whereby gold nanostructured screen-printed carbon electrodes (SPCnAuEs) are combined with in-situ ionic liquid formation dispersive liquid–liquid microextraction (in-situ IL-DLLME) and microvolume back-extraction for the ...
Agustín Costa-García +37 more
core +2 more sources
E3S Web of Conferences, 2013 Two liquid-phase microextraction procedures, single-drop microextraction (SDME) and dispersive liquid–liquid microextraction (DLLME), have been developed for the determination of lead by electrothermal atomic absorption spectrometry (ETAAS). Both methods
Efeçınar M. +2 more
doaj +1 more source