• Since electrolytes have a characteristic of decreasing the strength of membranes formed at oil/water interfaces, it is known that when an emulsion composition, particularly an 0/W emulsion composition, containing an electrolyte is prepared, emulsion particles agglomerate and are likely to cause a separation of water and oil phases, oil floating, etc. (allindianpatents.com)
  • Microphase-separated block polymers have emerged as an interesting material platform for membrane applications, such as gas separation, water purification, proton-exchange membranes, anion-exchange membranes, and polymer electrolytes for battery applications. (aiche.org)
  • MEUF is a separation processes which uses surfactants and ultrafiltration membranes to remove multivalent ions from wastewater with high percent rejection using electrostatic attraction between metals and micelles. (degruyter.com)
  • This chapter provides the background for polymeric gas separation membranes and also a detailed evaluation on state-of-the-art polymeric membrane materials for H2 and N2 separations. (mrforum.com)
  • 4] C.E. Powell, G.G. Qiao, Polymeric CO2/N2 gas separation membranes for the capture of carbon dioxide from power plant flue gases, J. Membr. (mrforum.com)
  • 5] M.A. Carreon, Molecular sieve membranes for N2/CH4 separation, J. Mater. (mrforum.com)
  • 7] M. Galizia, W.S. Chi, Z.P. Smith, T.C. Merkel, R.W. Baker, B.D. Freeman, 50th anniversary perspective: Polymers and mixed matrix membranes for gas and vapor separation: A review and prospective opportunities, Macromolecules, 50 (2017) 7809-7843. (mrforum.com)
  • N,N′-diallylimidazolium-based ionic liquids have also been used as extractant to highly enrich organic pollutants from aqueous samples in microextraction techniques, such as dispersed liquid-liquid microextraction and single drop microextraction, or to functionalize the stationary phase of chromatographic column and solid fiber membranes [ 15 - 21 ]. (hindawi.com)
  • Oxygen ionic and mixed ionic-electronic conductors find important applications in solid-state electrochemical devices, including sensors, solid oxide fuel cells, high temperature electrolyzers, and oxygen separation membranes. (ua.pt)
  • Thin film composite (TFC) membranes with nanofillers additives for CO 2 separation show promising applications in energy and environment-related fields. (cip.com.cn)
  • In this work, covalent organic frameworks (COFs, TpPa-1) with rich -NH- groups were incorporated into polyamide (PA) segment via in situ interfacial polymerization to prepare defect-free TFC membranes for CO 2 /N 2 separation. (cip.com.cn)
  • As a membrane is recognized to be a key element for more efficient PEMFCs, new classes of polymer electrolytes have been investigated elsewhere. (elsevierpure.com)
  • The ph of the nickel electrolyte in the temperature range of 20 deg to 65 deg c was also unaffected by the addition of na2so4. (cdc.gov)
  • Abstract This article describes the classification of fuel cells depending on the operating temperature and type of electrolytes used. (asminternational.org)
  • Low-temperature fuel cells , such as polymer electrolyte , alkaline, and phosphoric acid. (asminternational.org)
  • Low-temperature fuel cells, such as polymer electrolyte, alkaline, and phosphoric acid, and high-temperature fuel cells, such as molten carbonate and solid oxide, are discussed. (asminternational.org)
  • The proton conductivity of the hybrid was 3 × 10 -2 S/cm at 140°C without degradation, which can potentially be used as an advanced PEM electrolyte membrane for intermediate temperature operation. (elsevierpure.com)
  • In this study, temperature and electrochemical long-term stability from electrolytes based on a Lewis acidic mixture of AlCl3 and 1-ethyl-3-methylimidazolium chloride are investigated. (elsevierpure.com)
  • In electrochemistry, Bazant is best known for the theory of electrochemical kinetics based on nonequilibrium thermodynamics and related phase-field models of lithium-ion batteries. (wikipedia.org)
  • Starting from the already proven concept will the chemistry of both the solid and the liquid phases be varied to improve both the intrinsic properties (electrochemical, physical, and mechanical) of the electrolyte. (batteriessweden.se)
  • Replacing the aqueous liquid phase of a hydrogel with either an ionic liquid (IL) or a deep eutectic solvent (DES) allows one to realize an array of versatile gel electrolyte materials that offer outstanding nonvolatility, wider windows of electrochemical stability, reasonably high ionic conductivity, and nearly unlimited chemical design possibilities. (nsf.gov)
  • Reversed-phase chromatography employs a polar (aqueous) mobile phase. (wazeesupperclub.com)
  • Other advantages of HILIC are that the polarity of samples usually aids solubility into aqueous mobile phases and secondly there is also no requirement for ion pair reagents which is advantageous for coupling with mass spectrometry techniques. (chromatographytoday.com)
  • Two aqueous phase systems are obtained when water is added to small amounts of incompatible but water soluble polymers. (units.it)
  • A critical review focuses on the problem involved in modelling aqueous two phase systems and indicates the more interesting models available in the literature. (units.it)
  • The motivation behind this project is the potential application of salts in the separation of bio-produced alcohol from an aqueous fermentation broth. (lakeheadu.ca)
  • Li6PS5Cl possesses high ionic conductivity and excellent interfacial stability to electrodes and is known as a promising solid-state electrolyte material for all-solid-state batteries (ASSBs). (journaltocs.ac.uk)
  • Particular emphasis is centered on the comparative analysis of ionic and electronic conductivity variations in the major groups of solid oxide electrolytes and mixed conductors, such as perovskite- and fluorite-related compounds, apatite-type silicates, and derivatives of g-Bi4V2O11 and b-La2Mo2O9. (ua.pt)
  • Compatibility of Nickel Electrolyte Containing Sodium Sulfate With a Solvent Extraction System. (cdc.gov)
  • Previous Bureau work indicated that addition of na2so4 (sodium sulfate) to the nickel electrolyte improved current efficiency in nickel electrowinning. (cdc.gov)
  • His research efforts include leveraging principles of phase separation to synthesize and probe new electrode microstructures, investigating thin-film organic coatings to mediate the electrode-electrolyte interface, and examining biomass-derived materials for use in redox flow batteries. (electrochem.org)
  • It will address topics varying from electrode and electrolyte materials synthesis to their characterization, cycle life and application in lab scale cells and in industrial systems. (european-mrs.com)
  • Polymers, Solutions, Gels and Phase Behavior. (lu.se)
  • This work demonstrates an effective way of designing polymers with multi-functions with excellent separation performance, mechanical properties, and processability. (aiche.org)
  • A new model, based on the perturbed hard chain theory, is developed and results are reported for systems containing polymers and systems containing electrolytes. (units.it)
  • Column-based liquid phase separation techniques, such as liquid chromatography (LC) in reversed phase separation mode and capillary electromigration techniques, using continuous electrolyte systems, are widely used for the identification and quantification of phenolic compounds in plants and food matrices of plant origin. (chromatographyonline.com)
  • This novel MOF was used as a chiral stationary phase in open-tubular capillary electrochromatography to achieve the enantioseparation of drugs, offering promising possibilities for pharmaceutical analysis. (chromatographyonline.com)
  • The utilization of the chiral MOF, L-His-ZIF-67, as a chiral stationary phase provides a novel avenue for achieving high-resolution enantioseparation in open-tubular capillary electrochromatography. (chromatographyonline.com)
  • When we started AES back in 2010, we knew that we wanted to build a company that would be dedicated to providing the life science industry the most reliable, highest performance and highest throughput whole column imaging detection capillary electrophoresis system for protein separation, quantification, and characterization. (abbabio.com)
  • Focused on providing cutting edge instrumentation, ampholytes and supplies, as well as superior customer support, we have successfully commercialized our unique technologies and are able to provide our customers all imaged capillary isoelectric focusing (iCIEF) related products such as proprietary WCID (Whole Column Imaging Detection) based high performance iCIEF instruments, WCID imaging cartridges (patent pending), reference materials, electrolytes and polymer solutions. (abbabio.com)
  • Baseline separation of NMP and its main metabolites: 5-hydroxy-N-methyl-2-pyrrolidone (5HNMP), N-methylsuccinimide (MSI), 2-hydroxy-N-methylsuccinimide (2HMSI), and 2-pyrrolidone (2P) was obtained within 6 min in an uncoated fused silica capillary using 5 mM phosphate buffer and 140 mM sodium dodecyl sulfate (pH 7.1) as background electrolyte (BGE). (infona.pl)
  • The successful synthesis and application of L-His-ZIF-67 in enantioseparation further expands the possibilities for chiral separation techniques, contributing to the advancement of pharmaceutical analysis. (chromatographyonline.com)
  • However, managing polymorphism and phase competition in zeolite synthesis is a high-dimensional combinatorial problem that typically requires intensive trial and error in the lab. (caltech.edu)
  • Through collaborations at MIT and beyond, they develop new practical materials such as therapeutic peptides, organic electronics for displays, electrolytes for batteries, or inorganic oxides for sustainably catalysis. (caltech.edu)
  • In recent years we have seen a revival of the science aspects of the area driven by advances in the understanding of intermolecular interactions, cooperative phenomena and condensed phases. (lu.se)
  • 16] B. Zornoza, C. Casado, A. Navajas, Advances in hydrogen separation and purification with membrane technology, in: L.M. Gandía, G. Arzamendi, P.M. Diéguez (Eds. (mrforum.com)
  • It involves the separation of analytes based on their differential partitioning between a stationary phase and a mobile phase under the influence of an electric field. (chromatographyonline.com)
  • The stationary phase can be a solid material with embedded charged groups, such as a chiral MOF, while the mobile phase typically consists of a liquid electrolyte. (chromatographyonline.com)
  • In ion pair chromatography, the solute ion is distributed between the mobile and the stationary phase together with an ion of opposite charge (a so-called counterion). (wazeesupperclub.com)
  • Reversed-phase chromatography is a technique using alkyl chains covalently bonded to the stationary phase particles in order to create a hydrophobic stationary phase, which has a stronger affinity for hydrophobic or less polar compounds. (wazeesupperclub.com)
  • The increase in hydrophobic character of the ion-pair results in a greater affinity for the reverse stationary phase and leads to sample resolution. (wazeesupperclub.com)
  • The mechanism being that polar analytes interact with a hydrophilic stationary phase and the elution generated by mixing a predominantly aprotic solvent (usually acetonitrile) with a strong eluting solvent (usually water). (chromatographytoday.com)
  • It is thought analytes partition into the water-rich layer that is partially immobilised onto the stationary phase, and elute with increasing polar solvent [1]. (chromatographytoday.com)
  • This mechanism has been scrutinised in detail by an analytical evaluation with many different stationary phases in a comprehensive analysis [2], the conclusion being that HILIC retention is a combination of electrostatic adsorption and hydrogen bonding interactions [2]. (chromatographytoday.com)
  • HILIC has advantages over conventional reversed phase or normal phase liquid chromatography as retention and separation of many polar analytes has proven to be a challenge as often unretained or poorly retained on most conventional reversed-phase stationary phases. (chromatographytoday.com)
  • Ionic liquids, which can be tuned by choosing of the cations and anions independently, exhibited unique physicochemical properties, such as tunable miscibility with water and organic solvents, and have potential applications as electrolyte materials, green solvents, catalysts, and separation mediums [ 9 - 14 ]. (hindawi.com)
  • TFA is widely used as a mobile phase additive in the HPLC separation of biological molecules, such as proteins and peptides, because it acts as an ion-pairing reagent and equilibrates quickly so that it can be used with gradient elution. (wazeesupperclub.com)
  • Reversed-phase chromatography is the most common HPLC separation technique and is used for separating compounds that have hydrophobic moieties and do not have a dominant polar character (although polarity of a compound does not exclude the use of RP-HPLC). (wazeesupperclub.com)
  • Polar pharmaceuticals are notoriously difficult to separate by analytical and semi-prep HPLC and this research demonstrates how we have generated reproducible separations of polar pharmaceuticals using low-pressure flash purification in 'HILIC' mode. (chromatographytoday.com)
  • These separations are not trivial by HPLC, and often reversed-phase purification is the 'go-to' method but can be challenging. (chromatographytoday.com)
  • Even when this method is employed, phenomena such as oil floating and the like sometimes occur as the concentration of the electrolyte increases and the emulsifying ability decreases. (allindianpatents.com)
  • An increase in water content in the elution solvent reduces multipoint hydrogen bonding interactions, whilst an increase in electrolyte concentration decreases selectivity of various columns [2]. (chromatographytoday.com)
  • The researchers optimized various separation conditions such as pH value, buffer concentration, and the proportion of organic modifier. (chromatographyonline.com)
  • Selecting an organic modifier for reversed-phase chr. (chromatographytoday.com)
  • Moreover, the obtained MNPs showed the specific extraction efficiency to organic pollutant, polycyclic aromatic hydrocarbons, while superparamagnetic property of the MNPs facilitated the convenient separation of MNPs from the bulks water samples. (hindawi.com)
  • It is necessary, however, to incorporate at least a specific concentration of an electrolyte in order to prepare pharmaceutical compositions that are capable of effectively exhibiting the functions provided by electrolytes. (allindianpatents.com)
  • This strongly correlated oxide features a rich magnetoelectronic phase diagram 30 encompassing a variety of magnetic states 31 that are determined by the charge state of the manganese ions (Mn 3+/4+ ). (nature.com)
  • Ion pairing describes the (partial) association of oppositely charged ions in electrolyte solutions to form distinct chemical species called ion pairs. (wazeesupperclub.com)
  • In these multi-phase systems, one of the phases is continuous and governs the transport of small molecules such as gas, water, and ions, while another phase provides mechanical property support. (aiche.org)
  • Aluminum with its good corrosion protection behavior has great capability to be electroplated from IL electrolytes on steel substrates. (elsevierpure.com)
  • We demonstrate the feasibility using standard silica flash columns to open up new possibilities for amino acid, nucleoside and nucleotide separations. (chromatographytoday.com)
  • The work was carried out in accordance with the topic "Research of ion separation processes in electrolyte solutions, formation of solid phases and development of technologies for the integrated use of secondary raw materials and industrial waste of Central Kazakhstan", carried out within the framework of task 4.06.03. (kstu.kz)
  • salting-in/salting-out based separation processes, etc. (lakeheadu.ca)
  • The development of two-dimensional systems, performed by coupling either liquid chromatography (LC) with an electromigration technique or two electromigration techniques, operated under different separation mechanisms, is also discussed. (chromatographyonline.com)
  • Electrochromatography is a hybrid separation technique that combines the principles of both chromatography and electrophoresis. (chromatographyonline.com)
  • The technique is often used in reversed-phase chromatography as a convenient method to control the retention of solutes. (wazeesupperclub.com)
  • How does reverse phase chromatography work? (wazeesupperclub.com)
  • Why do we use reverse phase chromatography? (wazeesupperclub.com)
  • One recent article describes the use of hydrophilic solid phase extraction of glycyrrhizin (GA) in liquorice coupled with reversed-phase liquid chromatography purification, and although this method improved enrichment of GA, HILIC was only employed as a crude extraction procedure [9]. (chromatographytoday.com)
  • Our products are the result of the extensive dedication of scientists and engineers continuously working in the fields of liquid phase separation science electrophoresis, chromatography and analytical analysis. (abbabio.com)
  • This classification includes alkaline fuel cells, phosphoric acid fuel cells, polymer electrolyte membrane fuel cells (PEMFCs), molten carbonate fuel cells (MCFCs), and solid oxide fuel cells (SOFCs). (asminternational.org)
  • This chapter presents a brief overview of oxide phases with high diffusivity of O2_ anions, providing an introduction to this fascinating topic. (ua.pt)
  • This phenomenon has been applied to the industrial separation and purification of biomaterials, including plant and animal cells, virus, proteins and nucleic acids. (units.it)
  • The present invention provides an 0/W emulsion composition containing an electrolyte. (allindianpatents.com)
  • More particularly, the invention provides an 0/W emulsion composition excellent in emulsion stability despite its electrolyte content. (allindianpatents.com)
  • The 0/W emulsion composition of the invention can be prepared using an electrolyte, a polyglycerin fatty acid ester, an alkanoyl lactylic acid or the salt thereof, an acrylic acid-alkyl methacrylate copolymer, water, an oil, and preferably a polyhydric alcohol. (allindianpatents.com)
  • The present invention relates to an 0/W emulsion composition containing an electrolyte. (allindianpatents.com)
  • More particularly, the present invention relates to an 0/W emulsion composition excellent in emulsion stability despite its electrolyte content. (allindianpatents.com)
  • Moreover, the invention relates to a method for stabilizing the emulsion of an 0/W emulsion composition containing an electrolyte. (allindianpatents.com)
  • Therefore, when a large number of electrolytes are used, it is difficult to prepare a stable emulsion composition from the polyglycerin fatty acid ester. (allindianpatents.com)
  • DISCLOSURE OF THE INVENTION An object of the present invention is to provide an 0/W emulsion composition that is excellent in emulsion stability despite having an electrolyte contained as an ingredient and that stably maintains its emulsified state over a long period of time. (allindianpatents.com)
  • Still another object of the invention is to provide a method for preparing an 0/W emulsion composition excellent in emulsion stability despite its electrolyte content, and a method for stabilizing the emulsion of the 0/W emulsion composition containing an electrolyte. (allindianpatents.com)
  • The inventors conducted research for the purpose of stably emulsifying a composition containing an electrolyte and found that it is possible to emulsify electrolytes by the combined use of an acrylic acid-alkyl methacrylate copolymer and a known emulsifier, i.e., a polyglycerin fatty acid ester, even though the polyglycerin fatty acid ester alone could not heretofore emulsify. (allindianpatents.com)
  • Analytical separation techniques based on the differential migration velocities of analytes under the action of an electric field are gaining increasing acceptance for the analysis of phenolic compounds in edible and medicinal plants and in plant-derived food products. (chromatographyonline.com)
  • When preparing emulsion compositions containing an electrolyte, therefore, various pharmaceutical techniques are employed to improve the stability of the emulsion. (allindianpatents.com)
  • Another object of the invention is to provide various external preparations that exhibit, in addition to good emulsion stability, desired functions derived from the electrolyte contained as an ingredient therein, and that can be used in the field of medical or quasi-medical drugs and in the field of fragrances and cosmetics. (allindianpatents.com)
  • The stability of the chosen electrolyte is very important to ensure industrial applicability. (elsevierpure.com)
  • It is considered an economical alternative available to the conventional membrane separation process, because it reduces the requirement of higher pressure and high membrane costs. (degruyter.com)
  • Solid/solid two-phase systems of significantly different stiffnesses between the phases will also be considered. (batteriessweden.se)
  • The first problem to face to is the description of the substratum, namely the multicomponent liquid liquid equilibrium for water-polymer-polymer and water-polymer-electrolyte systems. (units.it)
  • Good results are obtained for polyethylenglycol-water and for water-electrolyte systems. (units.it)
  • Introduction into the gas-phase processing techniques used in the fabrication of electronic materials and devices. (caltech.edu)
  • Noncovalent scaffold assembly in nonaqueous, ion-dense electrolytes often leads to supramolecular gel materials that can exhibit extreme stretchability, good toughness, and an ability to self-heal in many cases. (nsf.gov)
  • The main direction of scientific research of A.K. Narembekova is the development of physico-chemical bases for the extraction and separation of non-ferrous metals from hard-to-process raw materials and industrial waste of non-ferrous metallurgy enterprises in Kazakhstan. (kstu.kz)
  • Zeolites are nanoporous aluminosilicate materials with broad applications in catalysis and separations. (caltech.edu)
  • We use both charging mechanisms-occurring at the La 0.74 Sr 0.26 MnO 3 /ionic liquid interface to control the balance between ferromagnetic and non-ferromagnetic phases of La 1− x Sr x MnO 3 to an unprecedented extent. (nature.com)
  • Film deposition techniques: physical and chemical vapor deposition, atomic layer epitaxy, liquid-phase epitaxy, molecular beam epitaxy. (caltech.edu)
  • A liquid electrolyte phase is combined with a stiff thermoset matrix forming a two-phase system through a reaction induced phase separation. (batteriessweden.se)
  • This creates a structural polymer backbone for mechanical load transfer with a percolating liquid electrolyte network for ion conduction. (batteriessweden.se)
  • This project will be coordinated with activities at UU on the concept of solid and hybrid solid/liquid electrolytes. (batteriessweden.se)
  • In addition to choosing a specific IL or DES, there are a myriad of options when it comes to constructing a solid, three-dimensional, volume-spanning network (or scaffold) that will support the nonaqueous liquid phase of an ionogel or eutectogel. (nsf.gov)
  • The paper deals also with the description of the protein distribution among the two liquid phases. (units.it)
  • Application of solid-phase extraction fo. (itu.edu.tr)
  • A solid-phase extraction method using 4-(2-thiazolylazo) resorcinol (TAR) as chelating agent on Amberlite XAD-16 column has been used for separation/preconcentration of trace amounts of cobalt prior to its determination by atomic absorption spectrometry. (itu.edu.tr)
  • The developed MEKC method combined with solid phase extraction for sample preparation was successfully applied to the analysis of urine of rats exposed to NMP. (infona.pl)
  • The goal of this project is to study the thermodynamics and the phase behaviour of electrolyte mixtures containing Alcohol/Water/Salt. (lakeheadu.ca)
  • Many advantages for this specific analysis were noted for Heaton's study, mainly improved peak shape, faster analysis and lower viscosity of mobile phases [7], although in a later study it was noted that it's critically important to choose optimal sample solvent and lower injection volumes for HILIC to optimise peak efficiency for this methodology for analytical applications [8]. (chromatographytoday.com)
  • The effect of adding 100 g/1 na2so4 on nickel stripping, phase disengagement, and ph was determined in comparative laboratory-scale tests. (cdc.gov)
  • The obtained theoretical and technological results of the dissertation work are essential for solving the problem of extraction and separation of copper and nickel from spent solutions of copper electrofining. (kstu.kz)
  • The chiral MOF demonstrated excellent separation efficiency for five chiral drugs, offering promising possibilities for pharmaceutical analysis and quality control. (chromatographyonline.com)
  • Under the optimized conditions, the enantioseparation system demonstrated excellent separation efficiency, yielding high resolutions for five chiral drugs: esmolol (7.93), nefopam (3.03), salbutamol (2.42), scopolamine (1.08), and sotalol (0.81). (chromatographyonline.com)
  • The fast ionic transport through the hybrid macromolecules has been possibly ascribed to nanosized phase separation of amphiphilic macromolecules. (elsevierpure.com)
  • Various aspects are discussed thoroughly, such as the mechanism of lactic acid production through fermentation, the crucial factors that influence the fermentation process, and the separation and recovery process of conventional and advanced lactic acid separation methods. (springeropen.com)
  • Understanding the phase behaviour of these components and their mixtures and developing predictive approaches for their phase behaviour are needed for process and product design and simulation. (lakeheadu.ca)
  • The phase behaviour of mixtures containing electrolytes is very important for process and product design and simulation. (lakeheadu.ca)
  • To do so, experimental data collection and modelling are being used to map and predict the complex phase behaviour of these mixtures. (lakeheadu.ca)
  • However, the recovery and separation of lactic acid from microbial fermentation media are relatively complicated and expensive, especially in the process relating to second-generation (2G) lactic acid recovery. (springeropen.com)
  • This article reviews the development and progress related to lactic acid separation and recovery from fermentation broth. (springeropen.com)
  • Traditionally, the separation of lactic acid from fermentation broth was done through chemical precipitation, but the negative implication of gypsum generation on environmental issues (Seong et al. (springeropen.com)
  • In tests made in a phase-disengagement cell that had a variable settler area, the addition of na2so4 did not significantly affect phase separation characteristics. (cdc.gov)
  • Field-emission scanning electron microscope (FE-SEM) and atomic force microscope (AFM) results revealed that we effectively attained phase separation of the SPES membrane along with an increased hydrophilic oligomer ratio. (bvsalud.org)
  • A comparison study was published which demonstrated the advantages of HILIC over reversed-phase for the separation of polar ephedrine's [7]. (chromatographytoday.com)