Aqueous anion exchange resins. Medical search. Frequent questions

This, combined with a high rate of ion exchange, make weakly base anion resins well suited for the organic salts. (wikipedia.org)
Cation ResinsStrong base anion resins may be used for demineralization, while weak base anion resins work best for removing acids and organics from water. (unitechwaterindia.com)

This study investigated the feasibility of using acid activated carbon prepared from brewery spent barley husks for the adsorption of cadmium from aqueous solution. (ugm.ac.id)
A hybridized electrode manufactured by the manufacturing method of the present invention can manufacture a CDI electrode capable of increasing adsorption efficiency and rate of ions and selectively adsorbing cation and anion, thereby simply and inexpensively manufacturing the CDI electrode module without using a cation-exchange membrane and an anion-exchange membrane. (patsnap.com)
This review's highlight is the recovery of lactic acid by adsorption technique using ion-exchange resins with a brief focus on the potential of in-site separation strategies alongside the important factors that influenced the lactic acid recovery process by ion exchange. (springeropen.com)

Formula: R−H acidic The cation exchange method removes the hardness of water but induces acidity in it, which is further removed in the next stage of treatment of water by passing this acidic water through an anion exchange process. (wikipedia.org)
It is of two types- cation exchange and anion exchange. (sigmaaldrich.com)
The cation exchange resin recovered most of metal ions from aqueous and ethanolic feeds, whereas the anion exchange resin could selectively recover copper and iron from ethanolic feeds. (bvsalud.org)
a negative half cell containing a negative half cell solution comprising a supporting electrolyte selected from H 2 SO 4 , HBr and HBr/HCl mixtures and one or more vanadium ions selected from the group Vanadium (II), Vanadium (III) and Vanadium (FV) and a perfluorinated cast cation exchange membrane or separator disposed between the positive and negative half cells and in contact with the positive and negative half cell solutions. (patsnap.com)

The performance of anionic exchange resin Dowex 1x8 in the removal of arsenic(V) from aqueous solutions was investigated. (csic.es)
2023. "Part II: Predicting Performance of DOWEX 21K Resin for Remediation of Comingled Contaminants in Groundwater. (pnnl.gov)

Ion-exchange resins are widely used in different separation, purification, and decontamination processes. (wikipedia.org)
ION EXCHANGE RESIN for your purification needs! (felitecn.com)
Felite offers macroporous-type catalyst resins and chelating resins that are ideal for applications such as catalysis, metal recovery, and purification. (felitecn.com)
We offer a complete range of high-performance Resin, which is widely used in different Separation, Purification & Decontamination processes. (unitechwaterindia.com)
A simple and reliable anion exchange resin method for sulfate extraction and purification suitable for multiple O- and S- isotope measurements. (hal.science)
Anion exchange DNA purification methods usually use positively charged DEAE functionalized resins to bind the negatively charged DNA phosphate backbone. (bitesizebio.com)

While anion resins attract negatively charged ions, cation resins attract positively charged ions. (wikipedia.org)

2004). Several technologies have been developed for the removal of chromium in aqueous solutions over the years. (bioline.org.br)

Felite provides both strong acid cation (SAC) resins and weak acid cation (WAC) resins that are capable of removing divalent and trivalent metal ions, as well as monovalent and multivalent cations, including calcium and magnesium, from aqueous solutions through ion exchange processes. (felitecn.com)

Under these conditions, the DNA will selectively bind to the silica resin in the column, facilitating its separation from the rest of the sample. (bitesizebio.com)
The remaining DNA can then be selectively eluted from the resin. (bitesizebio.com)

Anion-exchange chromatography makes use of this principle to extract and purify materials from mixtures or solutions. (wikipedia.org)
85 % purity using aqueous solutions, therefore it has been proposed as the most suitable method for industrial scale separation of levoglucosan. (lu.lv)
Felite offers SBA resins that can remove strong base anions and WBA resins that effectively remove weak base anions, from aqueous solutions through ion exchange processes. (felitecn.com)
Power plants can successfully remove these contaminants while lowering maintenance costs, extending equipment life, and improving overall system performance by utilizing our high-quality ion exchange resin solutions. (felitecn.com)
Our dependable resin solutions are engineered to successfully remove impurities and contaminants from water, ensuring that it fulfills the quality and safety standards necessary for a variety of applications. (felitecn.com)
IC determines the ions in aqueous solutions down to the parts per trillion (ppt) range. (sigmaaldrich.com)
Our selection includes a series of more than 38 different multi-anion and multi-cation reference materials solutions. (sigmaaldrich.com)
Our portfolio includes a comprehensive range of more than 40 different single component inorganic and organic anion standard solutions from the TraceCERT ® brand. (sigmaaldrich.com)
In the present study, strong cation and anion exchange resins were tested batchwise for the recovery of the non-rare-earth constituents of permanent magnets (copper, cobalt, manganese, nickel and iron) from synthetic aqueous and ethanolic solutions. (bvsalud.org)
Iron(II) was largely oxidized to iron(III) in ethanolic solutions and was expected to be recovered by the resin in the form of iron(II) and iron(III) complexes. (bvsalud.org)
Methods and materials are described for the removal of iodate from aqueous solutions. (justia.com)
This application claims benefit of priority of U.S. Provisional Patent Application No. 63/127,303, entitled "METHODS FOR REMOVING IODATE FROM AQUEOUS SOLUTIONS," filed Dec. 18, 2020. (justia.com)
The present invention relates to methods for the removal of iodate from aqueous solutions by the conversion of iodate to iodide and the subsequent or concurrent removal of iodide by sorption, ion exchange, or precipitation. (justia.com)
We clean up DNA from aqueous solutions to remove buffer salts, enzymes, or other substances that could affect downstream applications. (bitesizebio.com)

Formula: -NR4+OH− Often these are styrene-divinylbenzene copolymer resins that have quaternary ammonium cations as an integral part of the resin matrix. (wikipedia.org)
The preferred resin is a poly( styrene -divinyl-benzene) matrix having quaternary ammonium strong-base exchange groups. (cdc.gov)

Andisols can be used as adsorbent because they are characterized by the presence of non-crystalline secondary minerals such as allophane and imogolite that show variable charge characteristics and have the ability to retain cations and anions. (bioline.org.br)

The most popular nitrate removal treatment method is ion exchange . (netsolwater.com)
Here, we report on the removal and destruction of four structurally different PFECAs using an integrated anion exchange resin (AER) and electrochemical oxidation (ECO) treatment train. (bvsalud.org)
The methods comprise reduction of the iodate to iodide and subsequent or concurrent removal of the iodide by sorption, ion exchange, or precipitation. (justia.com)
There are many effective options for removal of iodide, such as ion exchange with strong-base anion exchangers, precipitation as silver iodide, sorption on silver impregnated media such as silver zeolites, and sorption by cerium-, bismuth-, or iron-based media. (justia.com)
According to a first broad aspect, the present disclosure provides a method for the removal of iodate from aqueous liquids comprising adding a water-soluble compound containing thiol groups and removing iodide, wherein the thiol groups can convert iodate to iodide. (justia.com)
Silicate is a vast field to discuss, but this article mainly focuses on the silica that dissolves in water and the removal of silicates using resins. (felitecn.com)
The removal of toxic metals from liquid effluents by ion exchange resins. (csic.es)
Due to the characteristic speciation of arsenic(V) in aqueous phases, the removal of this element from the solution is negligible at highly acidic or alkaline pH values, but it is possible at the aqueous pH range of 4-9, thus, both HAsO 4 2- and H 2 AsO 4 - species are loaded onto the resin. (csic.es)
2020. "Nanostructured MgFe and CoCr Layered Double Hydroxides for Removal and Sequestration of Iodine Anions. (pnnl.gov)
2020. "Characterization of Spent Purolite A530E Resin with Implications for Long-Term Radioactive Contaminant Removal. (pnnl.gov)

It was proposed adsorptive retention of C.I. Direct Red 23 (DR23), C.I. Direct Orange 26 (DO26) and C.I. Direct Black 22 (DB22) from effluents using anion exchange resin of tertiary amine functionalities Amberlyst A21 (A21). (bvsalud.org)

Chemical engineers in water treatment fields write aqueous silica or dissolved silica as SiO2. (felitecn.com)

By substituting the anion from the ion exchange resin for the nitrate ions, this method eliminates them from the aqueous phase. (netsolwater.com)
The water-soluble DNA partitions into the aqueous phase, while the proteins denature in the presence of organic solvents, thus staying in the organic phase. (bitesizebio.com)
The aqueous phase containing the protein-free DNA is then ready for collection. (bitesizebio.com)

Besides being made as bead-shaped materials, ion-exchange resins are also produced as membranes. (wikipedia.org)
These ion-exchange membranes, which are made of highly cross-linked ion-exchange resins that allow passage of ions, but not of water, are used for electrodialysis. (wikipedia.org)
Fabrication of high-conductivity ion exchange membranes (IEMs) is crucial to improve the performance of non-aqueous vanadium redox flow batteries (NAVRFBs). (rsc.org)
In the present work, anion exchange membranes with high-conductivity were fabricated by aligning ion channels of the polymer electrolyte impregnated in porous polytetrafluoroethylene (PTFE) under electric fields. (rsc.org)
Ion-exchange membranes are therefore electrically conductive. (patsnap.com)

Four main types of ion-exchange resins differ in their functional groups: strongly acidic cation (SAC), typically featuring sulfonic acid groups, e.g. sodium polystyrene sulfonate or polyAMPS, often used for water softening and demineralization operations. (wikipedia.org)
Though several defluoridization techniques having different principles of actions such as reverse osmosis, ion exchange and chemical treatments are available, none is found to be ideal due to cost effective, sludge transfer, maintenance of pH and demineralization after treatment and non-attainable for rural regions. (derpharmachemica.com)

Gold recovery from ores by leaching is improved by replacing cyanide with malononitrile as a 0.05-0.25 Wt pct aqueous solution with lime at ph 10-12, and a 1.5-3 Ratio of solution to ore. (cdc.gov)
The causes for loss of uranium originally adsorbed on strong base anion exchange resins from Rand cyanide residue leach liquors after prolonged passage of such liquors through resin columns were investigated. (unt.edu)

In particular, vanadium ligands of excellent reversibility have been mostly applied in non-aqueous redox flow batteries (NARFBs). (rsc.org)

Ion exchange and reverse osmosis are two EPA-approved treatment techniques, for eliminating nitrates and nitrites from waters, intended for consumption. (netsolwater.com)
The most significant of these techniques include chemical precipitation, filtration, reverse osmosis, ion exchange by resin, and membrane systems. (bioline.org.br)

Regeneration of the spent resin columns revealed that high percentage (e.g., 80%) of organic cosolvent is necessary for achieving 60-100% PFECA release, and regeneration efficiency was higher for a macroporous resin than a gel-type resin. (bvsalud.org)

For anion resins, regeneration typically involves treatment of the resin with a strongly basic solution, e.g. aqueous sodium hydroxide. (wikipedia.org)
Sodium hydroxide is commonly available as an aqueous solution known as caustic soda, soda lye, or simple as lye. (chemicalbook.com)
2. the barium oxide (or lime) and solution of white phosphorus is heated together to form secondary barium phosphate (or calcium), and then reacts with sulfuric acid, it is filtered, concentrated to obtain product, or sodium hypophosphite solution proceeds H-type ion exchange resin can derive product. (syntheticchemicallab.com)

During regeneration, the regenerant chemical is passed through the resin, and trapped negative ions are flushed out, renewing the resin exchange capacity. (wikipedia.org)
This method requires a large amount of resin, and resin regeneration and washing step is cumbersome, it generally costs more than $ 7 per pound, it is only suitable for small batch production, and not suitable for large-scale industrial applications. (syntheticchemicallab.com)

In the power industry, ion exchange resin is frequently used to remove contaminants from water, such as dissolved solids and heavy metals, which can cause scaling, corrosion, and equipment damage. (felitecn.com)
Using specific salt and pH conditions, DNA in the sample binds the resin, and stringent washing steps remove contaminants (e.g. protein, cellular debris). (bitesizebio.com)

This can be recovered from the leach solution by sorption on the same anion exchange resin as was suggested for au(cn)2- in U.S. 3,317,313, and elution with a strong mineral acid then recovers the gold. (cdc.gov)
The solution can be contacted by the resin in any convenient way, and the au is eluted from it with a 10 pct solution of an acid such as h2so4 more readily than when au(cn)2- was sorbed on the resin. (cdc.gov)
The method allows us to take into account the separation of nitrate, which is known to be an issue in O-isotope analysis.Methods:The separation and concentration of sulfate from other anions in any aqueous solution are performed within a few hours via anion exchange resin. (hal.science)
Polarographic reduction of androsten-3-ones, androsten-7-ones, and pregnen-20-ones was carried out in aqueous dimethylformamide solution and the relationship between the half-wave potential and the nature of the conjugated ketone system, i.e., the position of the carbonyl group and the number of the double bond, was examined (Tables I, III, and IV). (go.jp)
According to a second broad aspect, the present disclosure provides a material for converting iodate in aqueous solution to iodide, comprising a solid substrate to which a thiol group containing compound is attached. (justia.com)
Batch experimentation was carried out under different variables, including, the stirring speed applied on the system, the pH of the aqueous solution, resin dosage and temperature. (csic.es)

2023. "Accumulation mechanisms for contaminants on weak-base hybrid ion exchange resins. (pnnl.gov)
2023. "Part I: Predicting Performance of Purolite A532E Resins for Remediation of Comingled Contaminants in Groundwater. (pnnl.gov)
2021. "Simultaneous immobilization of aqueous co-contaminants using a bismuth layered material. (pnnl.gov)

1996): Prediction of Phosphate Loss from P-Loaded Soil Particles in Aqueous System. (tolner.hu)

When the ore was leached with nacn as a complexing agent in the same way and the same recovery method was used, the extraction into the resin was 63 pct and the elution recovery only 5 pct of the au. (cdc.gov)

In many cases ion-exchange resins were introduced in such processes as a more flexible alternative to the use of natural or artificial zeolites. (wikipedia.org)
Crosslinking decreases ion-exchange capacity of the resin and prolongs the time needed to accomplish the ion-exchange processes but improves the robustness of the resin. (wikipedia.org)

These resins are engineered to efficiently remove anionic impurities from water. (felitecn.com)

Dobermann A. (1996): Synthetic ion-exchange resins: Soil and environmental studies. (tolner.hu)

The swelling behavior of a resin is influenced by its chemical composition, polymer structure, and cross-linking. (wikipedia.org)
8 To overcome the problem of low-operation voltage, non-aqueous electrolytes show promise, owing to their wide electro-chemical window. (rsc.org)

Nano-enabling of strong-base ion-exchange media via a low-temperature aluminum (hydr)oxide synthesis method to simultaneously remove nitrate and fluoride. (asu.edu)

This innovative methodology utilizing biomass (2G-biorefinery) had generated several kinds of bioproducts such as bioethanol, bioplastics, surfactants resin, biochemicals and a range of acids like citric and lactic acid (Ramos et al. (springeropen.com)

When 2 kg of carbonaceous ore containing 0.25 Oz au/ton was slurried with 6 l h2o, 5 g malononitrile, 20 g lime, and 70 g or 200 ml of 20-40 mesh granules of the preferred resin, the ph was 11.5 and after stirring 24 h the resin separated by screening contained 80 pct of the au in the ore used. (cdc.gov)

Resins in this series are engineered to meet the stringent regulatory requirements for municipal water treatment, specifically in the cleanup and remediation of contaminated groundwater. (felitecn.com)

Moreover, unlike other aesthetic adhesive materials, such as composite resins, adhesion to dental structures of GIC is less sensitive to technique and its quality increases with time 10 . (bvsalud.org)

Batch experiments, UV-Vis, FT-IR and XPS studies were performed to elucidate the ion exchange mechanism. (bvsalud.org)

The studies indicate that the formation of chloro complexes of copper and their exchange by the (hydrogen) sulfate counter ions of the resin have an important role in the selective uptake of copper from the 95 vol% ethanolic feed. (bvsalud.org)

Our DI resins are suitable for various applications with different resistivity requirements. (felitecn.com)

Furthermore, our resins can extract/recycle metals, increasing the overall efficiency of the mining process. (felitecn.com)

Felite offers a range of standard and black version deionization (DI) resins, including general-purpose and low TOC versions that have undergone additional processing steps. (felitecn.com)

Also, ion-exchange resins are highly effective in the biodiesel filtration process. (wikipedia.org)

2-7 To date, the development of RFBs has mostly focused on aqueous systems because of their high performance in operating charge/discharge cycles compared with non-aqueous systems. (rsc.org)
We've done a good job of supplying essential ion exchange resin media for water treatment systems all across the world for more than 50 years. (felitecn.com)

Felite Resin Technology removes the guesswork from maintaining your valuable water treatment equipment by providing you with transparent communication, superior support, and high-quality replacement parts. (felitecn.com)
Felite manufactures high-quality resins for domestic and commercial water treatment applications, which are designed to improve water quality while also protecting household appliances and commercial equipment. (felitecn.com)

Ion chromatography (IC) separates charged molecules based on their affinity to the ion-exchange resin. (sigmaaldrich.com)
An ion-exchange membrane is a semi-permeable membrane that transports certain dissolved ions, while blocking other ions or neutral molecules. (patsnap.com)

The present disclosure relates generally to methods of preparing a sweet juice composition from terpene glycoside-containing fruit, and more specifically methods of preparing a sweet juice composition from monk fruit and other terpene glycoside-containing fruits of the Cucurbitaceae family using cation and anion exchange resins. (google.com)

However, aqueous media strictly limit the operating potential of these RFBs under 2 V, owing to facile and unwanted water electrolysis above this potential. (rsc.org)
However, most applied charge carriers in non-aqueous media migrate quite slowly, with poor ion conductivity, compared with charge carriers in aqueous media. (rsc.org)
12 Molar conductivities of the most often used BF 4 − ions in acetonitrile (ACN) are remarkably lower than those of protons in aqueous media. (rsc.org)

Weakly basic resins do not maintain their charge at a high pH because they undergo deprotonation. (wikipedia.org)
We are committed to delivering high-quality resins that exceed industry standards and meet the evolving needs of our global customers. (felitecn.com)

Organisms1

Chemicals and Drugs11

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Technology, Industry, Agriculture4

Base anion resins2

Adsorption3

Cation exchange4

Dowex2

Purification6

Negatively charged1

Chromium1

Metal ions1

Selectively2

Solutions14

Quaternary ammonium2

Cations1

Removal10

Effluents1

Dissolved silica1

Phase3

Membranes5

Demineralization2

Cyanide2

Vanadium1

Reverse osmosis2

Organic1

Sodium3

Regeneration2

Remove contaminants2

Solution6

Contaminants3

Particles1

Elution1

Processes2

Anionic1

Synthetic1

Chemical2

Strong-base1

Acids1

Carbonaceous1

Stringent1

Composite1

Batch1

Complexes1

Suitable1

Extract1

Range1

Filtration1

Systems2

Water treatment2

Molecules2

Methods1

Media3

High2