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P K Parhi et al.
Journal of hazardous materials, 172(2-3), 773-779 (2009-08-12)
The extraction efficiencies of three phosphoric acid derivatives (D2EHPA, PC-88A and Cyanex 272) for Cd in supported liquid membrane (SLM) have been reported. The equilibrium study indicated the release of two moles of H(+) ions from the extractant for extraction
Mohammad Bazregar et al.
Journal of separation science, 40(14), 2967-2974 (2017-05-18)
In this work, an efficient sample clean-up method, named in-tube electro-membrane extraction, is modified to resolve the formation of bubbles in the extraction process. This modified method is applied for the extraction of two model analytes including tartrazine and sunset
R Gonzalez et al.
Chemosphere, 81(9), 1164-1169 (2010-09-22)
This work presents the investigation of Ni(II) extraction from aqueous solution through pseudo-emulsion based hollow fiber strip dispersion (PSEHFSD) containing the mixture 2-hydroxy-5-nonylbenzaldehyde oxime+di(2-ethylhexyl) phosphoric acid/Exxsol D100 as extractant in the form of a pseudo-emulsion with H₂SO₄. The organic and
Mahdi Chiha et al.
Ultrasonics sonochemistry, 17(2), 318-325 (2009-10-06)
The aim of this work was to study the emulsification assisted by ultrasonic probe (22.5kHz) and investigate the removal of copper(II) ions from aqueous solution using water-in-oil-in-water (W/O/W) emulsion liquid membrane process (ELM). The membrane was prepared by dissolving the
Daigo Yamamoto et al.
The Journal of chemical physics, 150(1), 014901-014901 (2019-01-10)
The direct current (DC) motor is a rotary device that converts DC electrical energy into mechanical energy. However, it is known that, in downsizing the currently available macromotor, rotary motion of DC micromotors cannot work well due to the larger
Electrochemical precipitation of neptunium with a micro electrochemical quartz crystal microbalance.
Adan Schafer Medina et al.
Journal of radioanalytical and nuclear chemistry, 324(3), 1021-1030 (2020-07-01)
Microliter volumes are used in electrochemical detection and preconcentration of radionuclides to reduce the dose received by researchers and equipment. Unfortunately, there is a lack of analysis of radionuclides with coupled electrochemical techniques and microliter volume reactors. The goals of
Tatjana M Trtić-Petrović et al.
Journal of separation science, 33(13), 2002-2009 (2010-05-28)
Transport behaviour of Lu(III) across a polypropylene hollow fibre-supported liquid membrane containing di(2-ethylhexyl)phosphoric acid (DEHPA) in dihexyl ether as a carrier has been studied. The donor phase was LuCl(3) in the buffer solution consisting of 0.2 M sodium acetate at
A Cortéjade et al.
Talanta, 146, 694-706 (2015-12-24)
The aim of this study was to develop an analytical method and contribute to the assessment of the Exposome. Thus, a targeted analysis of a wide range of contaminants in contact with humans on daily routines in urine was developed.
C A Smith et al.
Neuroscience, 193, 100-108 (2011-07-26)
The distribution of CA3 hippocampal axonal terminal fields undergo a period of widespread connectivity-based changes in the early postnatal stages of life. The purpose of the current study was to examine the effect of acute phthalate exposure during this period
P Venkateswaran et al.
Journal of environmental sciences (China), 19(12), 1446-1453 (2008-02-19)
Permeation of Cu(II) from its aqueous solution through a supported liquid membrane (SLM) containing di(2-ethylhexyl)phosphoric acid (D2EHPA) carrier dissolved in coconut oil has been studied. The effects of Cu(II), pH (in feed), H2SO4 (stripping) and D2EHPA (in membrane) concentrations have
Magdalena Münster et al.
International journal of pharmaceutics, 529(1-2), 310-318 (2017-07-12)
The taste of pharmaceuticals strongly affects the compliance of patients. This study investigated the applicability of the electronic tongue and rodent brief-access taste aversion (BATA) model for the bitter compound praziquantel (PZQ) and taste masked liquid formulations for PZQ. In
Anca-Irina Galaction et al.
Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, 113(2), 619-624 (2009-04-01)
Erythromycin has been separated from simulated broths by free and facilitated pertraction with D2EHPA dissolved in dichloromethane using an U-shaped pertraction cell. The pertraction has been analyzed by means of initial and final mass flows and permeability factor. The main
Hung-Sheng Tsai et al.
Molecules (Basel, Switzerland), 17(1), 408-419 (2012-01-06)
The extraction equilibrium of indium(III) from a nitric acid solution using di(2-ethylhexyl) phosphoric acid (D2EHPA) as an acidic extractant of organophosphorus compounds dissolved in kerosene was studied. By graphical and numerical analysis, the compositions of indium-D2EHPA complexes in organic phase
Yousef Abdossalami Asl et al.
Journal of chromatography. A, 1419, 10-18 (2015-10-13)
In the present research, dynamic electromembrane extraction (DEME) was introduced for the first time for extraction and determination of ionizable species from different biological matrices. The setup proposed for DEME provides an efficient, stable, and reproducible method to increase extraction
Armin Fashi et al.
Food chemistry, 188, 92-98 (2015-06-05)
This study presents the application of electromembrane microextraction technique combined with HPLC-UV detection for fast extraction-preconcentration and determination of melamine in dairy products. It is based on the extraction of charged melamine molecules migrated from 6.5 mL feed solution through
Katayoun Mahdavi Ara et al.
Talanta, 168, 105-112 (2017-04-11)
In the present work, for the first time, a new portable setup was designed, developed and presented for the extraction of methadone, as a basic drug model from biological fluid samples using a low-voltage electrically stimulated stir membrane liquid-liquid microextraction
Mahroo Baharfar et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1068-1069, 313-321 (2017-11-12)
In this work, a microfluidic device was developed for on-chip electromembrane extraction of trace amounts of ephedrine (EPH) and clonidine (CLO) in human urine and plasma samples followed by HPLC-UV analysis. Two polymethylmethacrylate plates were used as substrates and a
C M Chan et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 56(7), 125-134 (2007-10-24)
Di(2-ethylhexyl)phthalate (DEHP) is a ubiquitous environmental contaminant due to its extensive use as a plasticiser and its persistence. Currently, there is no cost-effective treatment method for its removal from industrial wastewater. In a previous study, DEHP was effectively adsorbed from
Purification of di-(2-ethylhexyl) phosphoric acid by precipitation of copper (II) di-(2-ethylhexyl) phosphate.
Partridge JA and Jensen RC.
J. Inorg. Nucl. Chem., 31(8), 2587-2589 (1969)
Feipeng Jiao et al.
Chirality, 24(8), 661-667 (2012-06-02)
A method of solvent sublation was developed for the enantioseparation of racemic ofloxacin (rac Oflx) and racemic tryptophan (rac Trp). In this method, dibenzoyl-L-tartaric acid (L-DBTA) and di-(2-ethylhexyl) phosphoric acid (D2EHPA) and sodium lauryl sulfate (SDS) were used as chiral
Li Ouyang et al.
Journal of separation science, 33(13), 2026-2034 (2010-06-01)
A technique based on strip dispersion hybrid liquid membrane was developed for the separation and extraction of four main alkaloids from fruits of Macleaya cordata (Willd) R. Br. A microporous polypropylene membrane impregnated with an organic membrane solution comprised the
Anca-Irina Galaction et al.
Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, 112(4), 1110-1114 (2008-10-01)
The comparative study on reactive extraction of p-aminobenzoic and p-hydroxybenzoic acid with Amberlite LA-2 and D2EHPA in two solvents with different polarity (n-heptane and dichloromethane) indicated that the nature of the specific substituents, extractant type and solvent polarity control the
Spas D Kolev et al.
Talanta, 78(3), 795-799 (2009-03-10)
A polymer inclusion membrane (PIM) is reported consisting of 45% (m/m) di(2-ethylhexyl)phosphoric acid (D2EHPA) immobilized in poly(vinyl chloride) (PVC) for use as a solid phase absorbent for selectively extracting Zn(II) from aqueous solutions in the presence of Cd(II), Co(II), Cu(II)
S Bucak et al.
Journal of colloid and interface science, 320(1), 163-167 (2008-01-19)
The metal ion extractant (HDEHP) that is commonly employed in liquid membrane extraction has been shown to stabilise Ag and Cu nanoparticles in oil media of size 5 and 10 nm, respectively. The particle are formed by reduction of the
Jong-Yun Kim et al.
Journal of nanoscience and nanotechnology, 7(11), 3862-3866 (2007-12-01)
Synthesis of mesoporous silica microspheres larger than 10 microm via surfactant template approach has rarely been reported. According to the previous studies, particle morphologies were highly variable, depending on the synthesis conditions and impeller design such as impeller type, size
Siu Hua Chang et al.
Journal of hazardous materials, 190(1-3), 197-204 (2011-04-16)
The objectives of this work were to select suitable design parameters and optimize the operating parameters of a soybean oil-based bulk liquid membrane (BLM) for Cu(II) removal and recovery from aqueous solutions. The soybean oil-based BLM consists of an aqueous
Takahiko Ban et al.
Langmuir : the ACS journal of surfaces and colloids, 28(29), 10682-10687 (2012-06-26)
We have investigated the transient pore dynamics in a chemically destabilized liquid membrane in buffer solutions at macroscopic scale. A hole opened and closed repeatedly in response to pH in the surrounding media when the concentration of surfactant in the
Zaiwu Yuan et al.
Langmuir : the ACS journal of surfaces and colloids, 25(16), 8974-8981 (2009-09-02)
A salt-free cationic and anionic (catanionic) surfactant system was formed by mixing a double-tailed di-(2-ethylhexyl) phosphoric acid (DEHPA, commercial name P204), which is an excellent extractant of rare earth metal ions, with a single-tailed cationic trimethyltetradecylammonium hydroxide (TTAOH) in water.
Amilton Moreira Oliveira et al.
Journal of separation science, 40(7), 1532-1539 (2017-02-07)
Electromembrane extraction using a polypropylene hollow fiber impregnated with 1-ethyl-2-nitrobenzene was evaluated for the extraction and preconcentration of the fungicides thiabendazole and carbendazim from water samples before capillary electrophoresis analysis. The composition of the supported liquid membrane, the HCl concentration
Marco Iammarino et al.
Veterinaria italiana, 54(1), 41-47 (2018-04-10)
Strontium-90 (90Sr) is a fission product, resulting from the use of uranium and plutonium in nuclear reactors and weapons. Consequently, it may be found in the environment as a consequence of nuclear fallouts, nuclear weapon testing, and not correct waste
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