Ion-exchange resins are polymers with a net negative or positive charge. Cation-exchange resins consist of an anionic polymer ... Correspondingly, anion-exchange resins are typically provided in the form of chloride Cl−, which is a highly mobile ... Solubility of salts in organic solvents is a function of both the cation and the anion. The solubility of cations in organic ... Similarly, the solubility of anions in organic solvents is enhanced with lipophilic cations. The most common lipophilic cations ...

Kamel KS, Schreiber M (2012). "Asking the question again: Are cation exchange resins effective for the treatment of ... May 2010). "Ion-exchange resins for the treatment of hyperkalemia: are they safe and effective?". J. Am. Soc. Nephrol. 21 (5): ... Potassium is the most abundant intracellular cation and about 98% of the body's potassium is found inside cells, with the ... Watson M, Abbott KC, Yuan CM (2010). "Damned if You Do, Damned if You Don't: Potassium Binding Resins in Hyperkalemia". ...

Carboxylic acid cation-exchange resin has been found to adsorb lead ions via ion-exchange with hydrogen, and these ions can be ... In particular, Cation Exchange Resins (CERs) and P,P′-di(2-ethylhexyl)methanediphosphonic acid (DMDP) have been employed ... Lead absorbing P,P'-di(2-ethylhexyl)methanediphosphonic acid and sulfonic acid cation-exchange resin are used to prevent lead ... then the carboxylic acid cation-exchange resin, in this research WAC-gel is used because of best performance, is utilized to ...

It is a strongly cationic glycoprotein, and is purified with cation exchange resin. Purification of protein from bovine-derived ...

Positively charged molecules bind to cation exchange resins, while negatively charged molecules bind to anion exchange resins. ... The two types of ion chromatography are anion-exchange and cation-exchange. Cation-exchange chromatography is used when the ... 6 arginines for binding to a cation-exchange resin or 6 glutamates for binding to an anion-exchange resin such as DEAE- ... For example, in a sulphonated polystyrene resin, a cation exchange resin, the chlorine ion of a hydrochloric acid buffer should ...

A cation-exchange resin column (Dowex-50 exchange column) treated with ammonium salts is then used to separate fractions ... Separation of trivalent actinides from lanthanide fission products can be done by a cation-exchange resin column using a 90% ... The actinide elution sequence is reversed from that of the cation-exchange resin column. The einsteinium separated by this ... In this case, isolation of einsteinium is a tedious procedure which involves several repeating steps of cation exchange, at ...

The actinide elution sequence is reversed from that of the cation-exchange resin column, so that the heavier actinides elute ... There Thompson and Choppin used a cation-exchange resin column and the α-hydroxyisobutyric acid. The solution drops were ... Mendelevium can finally be separated from the other trivalent actinides using selective elution from a cation-exchange resin ... then using a cation-exchange resin column with a 10% ethanol solution saturated with hydrochloric acid, acting as an eluant. ...

"Kinetic Study for the Synthesis of Diethyl Maleate over Cation Exchange Resin Indion 730" (PDF). Archived (PDF) from the ...

High-quality hydrochloric acid is used in the regeneration of ion exchange resins. Cation exchange is widely used to remove ... The acid is used to rinse the cations from the resins. Na+ is replaced with H+ and Ca2+ with 2 H+. Ion exchangers and ...

... differentiated by the cation attached to the resin in the original condition. Calcium resins release calcium ions in exchange ... After exchange, the released cation and potassium adhering to the resin are excreted with the faeces. This mechanism prevents ... In general, potassium binders are artificial polyanionic resins that exchange bound cations (Ca2+ or Na+) for potassium ions in ... This category formerly consisted solely of polystyrene sulfonate, a polyanionic resin attached to a cation, administered either ...

... thiourea-based resins, and many others). Anion resins and cation resins are the two most common resins used in the ion-exchange ... An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange. It is an insoluble ... in the process cation and anion exchange resins are used to remove dissolved ions from the water. Few ion-exchange resins ... Also, ion-exchange resins are highly effective in the biodiesel filtration process. Most typical ion-exchange resins are based ...

Ion exchange: In this stage, ion exchange resin fills the diluting chambers, and as water flows through the resin bed, cations ... Only anions can go through the anion exchange membrane, and only cations can go through the cation exchange membrane. This ... The ion exchange resins act to hold the ions, allowing them to be transported across the ion exchange membranes. The main ... The purpose of the ion exchange resin is to maintain the stable conductance of the feedwater. Without the resin, ions can be ...

... and cation-exchange resins, or passing the solution through several different ion-exchange materials. Ion exchangers can have ... CM (Carboxymethyl group, weak cation exchange) SP (sulphopropyl group, strong cation exchange) DEAE-Sepharose QFF Ion exchange ... Alkali anion exchange membrane Ion Ion chromatography Ion-exchange membranes Ion-exchange resin Desalination Reverse osmosis ... Thus, ion-exchange is used in nuclear reprocessing and the treatment of radioactive waste. Ion-exchange resins in the form of ...

Acetone is treated with a strongly acidic, palladium catalyst-doped cation exchange resin under medium pressure of hydrogen. ... MIBK is used as a solvent for nitrocellulose, lacquers, and certain polymers and resins. Another major use is as a precursor to ... This colourless liquid, a ketone, is used as a solvent for gums, resins, paints, varnishes, lacquers, and nitrocellulose. At ...

It is a single-chain polypeptide and a strongly cationic glycoprotein, and is purified with cation exchange resin. Purification ...

The reverse holds for cation-exchange membranes. The so-called heterogeneous ion-exchange membranes have low cost and a thicker ... such as ion-exchange resins. Anion-exchange membranes contain fixed cationic groups with predominantly mobile anions; because ... Important examples of ion-exchange membranes include the proton-exchange membranes, that transport H+ cations, and the anion ... When applied in an electrodialysis desalination process, anion- and cation-exchange membranes are typically arranged in an ...

"A novel approach to measure elemental concentrations in cation exchange resins using XRF-scanning technique, and its potential ... In this study, a series of ion exchange resin sachets were systematically deployed to monitor changes in heavy metal pollutants ... Rapid assessment of heavy metal pollution using ion-exchange resin sachets and micro-XRF core-scanning. Sci Rep 9, 6601. ...

Mixed bed deionization is a 40/60 mixture of cation and anion resin combined in a single ion-exchange column. With proper ... A control system operates pumps and valves for the regenerants of spent anions and cations resins within the ion exchange ... Deionization is a chemical process that uses specially manufactured ion-exchange resins, which exchange hydrogen and hydroxide ... by exchanging poorly soluble divalent cations (mainly Ca2+ , Mg2+ and Fe2+ ) with the soluble Na+ cation. Softened water has ...

2000) showed that, with the exception of kaolinite clay, most soil clays and cation exchange resins attenuated biodegradation ...

... and anion-cation exchange resin columns. Sulfolane is also added to hydrofluoric acid as a vapor suppressant, commonly for use ...

... titled A Study of the Frequency Domain Induced Polarisation Effects Displayed by Clay and by Cation Exchange Resin, Model Soil ... A Study of the Frequency Domain Induced Polarisation Effects Displayed by Clay and by Cation Exchange Resin, Model Soil Systems ...

The plant comprises three groups of cation, anion and mixed bed ion exchange resin units, together with vacuum degassing and ...

In the case of a water softener, the cation exchange resin is exchanging sodium (the Na+ ion of NaCl) for hardness minerals ... A dealkalizer contains strong base anion exchange resin that exchanges chloride (the Cl- ion of the NaCl) for carbonate (CO− 3 ... Hydrogen cycle weak acid cation resins convert alkalinity into carbon dioxide while removing calcium and magnesium. The resin ... Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated salt (brine) solution ...

It is then treated with high-pressure elution from cation exchange resins, and the berkelium phase is oxidized and extracted ... Porter, C. E.; Riley, F. D. Jr.; Vandergrift, R. D.; Felker, L. K. (1997). "Fermium Purification Using Teva Resin Extraction ... Berkelium(IV) is then extracted with ion exchange, extraction chromatography or liquid-liquid extraction using HDEHP (bis-(2- ... using ion exchange at elevated temperature. The chromatographic separation behavior was unknown for the element 97 at the time ...

A decrease in pH reduces the retention time in cation exchange while an increase in pH reduces the retention time in anion ... Polystyrene resins allow cross linkage, which increases the stability of the chain. Higher cross linkage reduces swerving, ... ligand-exchange chromatography, ion-exchange chromatography of proteins, high-pH anion-exchange chromatography of carbohydrates ... By lowering the pH of the solvent in a cation exchange column, for instance, more hydrogen ions are available to compete for ...

... can then be separated from radium, with a ratio of about 100, using a low cross-linking cation exchange resin and ... An alternative procedure is anion exchange with an appropriate resin in nitric acid, which can result in a separation factor of ...

... resins, and liquid organics impregnated with chelating agents are all used to exchange cations or anions with the solution.[ ... Solvent Extraction Ion exchange Gas reduction. Treating a solution of nickel and ammonia with hydrogen affords nickel metal as ... The metal will be exchanged from the organic to the electrolyte. The resulting streams will be a stripped organic and a rich ... Tasker, Peter A.; Tong, Christine C.; Westra, Arjan N. (2007). "Co-extraction of cations and anions in base metal recovery". ...

The principle is that an ion exchange resin can remove potentially toxic metals (cationic resins), or chlorides, sulfates and ... Cation exchange processes have previously been investigated as a potential treatment for acid mine drainage. ... Once the contaminants are adsorbed, the exchange sites on resins must be regenerated, which typically requires acidic and basic ... The ferric cations produced can also oxidize additional pyrite and reduce into ferrous ions: FeS2(s) + 14 Fe3+(aq) + 8 H2O(l ...

The eluate is directly post-processed on miniaturized column filled with cation-exchange resin where 44Sc is quantitatively ... 44Ti is adsorbed onto column filled with anion-exchange resin. 44Sc is eluted with 20 mL of 0.005M H2C2O4/0.07M HCl solution. ...

... ion exchange resins MeSH D27.720.470.420.050 - anion exchange resins MeSH D27.720.470.420.275 - cation exchange resins MeSH ...