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Ion exchange capacity

Ion Exchange Capacity of Sr2+ onto Calcined Biological Hydroxyapatite and Implications for Use in Permeable Reactive Barriers

Ion Exchange Capacity of Sr2+ onto Calcined Biological Hydroxyapatite and Implications for Use in Permeable Reactive Barriers

... than ion-exchange are ...the ion- exchanged mass of Sr 2+ with Ca 2+ ions in this case, because some dissolution of Ca 2+ and phosphate from FHAPs (see below) was still observed in the absence of Sr ...

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STUDY OF EFFECT OF TEMPERATURE ON THE PROPERTIES AND STRUCTURE OF ZIRCONIUM PHOSPHOBORATE ION-EXCHANGER

STUDY OF EFFECT OF TEMPERATURE ON THE PROPERTIES AND STRUCTURE OF ZIRCONIUM PHOSPHOBORATE ION-EXCHANGER

... Its ion exchange capacity for Na + and K + was found to be ...the ion exchange capacity and crystallinity of the ion exchanger decreases with increase in ...

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Invention of Hollow Zirconium Tungesto Vanadate at Nanotube Morphological Structure for Radionuclides and Heavy Metal Pollutants Decontamination from Aqueous Solutions

Invention of Hollow Zirconium Tungesto Vanadate at Nanotube Morphological Structure for Radionuclides and Heavy Metal Pollutants Decontamination from Aqueous Solutions

... Zirconium-based ion exchangers have received atten- tion because of their excellent ion exchange behavior and some important chemical applications in the field of ion exchanger, ion ...

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Nafion/Analcime and Nafion/Faujasite Composite Membranes for High Temperature Operation of PEMFC

Nafion/Analcime and Nafion/Faujasite Composite Membranes for High Temperature Operation of PEMFC

... Abstract─The Nafion/zeolite composite mem- branes were synthesized for polymer electrolyte fuel cells (PEMFCs) by adding zeolite in the matrix of Nafion polymer. Two kinds of zeolites, Analcime and Faujasite, were used. ...

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The Effect of Preparation Conditions on the Removal Efficiency of Water Pollutants Using LTA Zeolite

The Effect of Preparation Conditions on the Removal Efficiency of Water Pollutants Using LTA Zeolite

... the ion exchange capacity, a relation between the lattice cell parameter of different ultrasonic irradiated and non-irradiated samples with the capacity of each ion exchanged under ...

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Novel Aminated Cellulose Acetate Membranes for Direct Methanol Fuel Cells (DMFCs)

Novel Aminated Cellulose Acetate Membranes for Direct Methanol Fuel Cells (DMFCs)

... proton exchange membrane based on cellulose acetate (CA) for DMFC were prepared via activation process using epichlorohydrin (ECH) afterward amination reaction using ethylene di- amine ...concerning ion ...

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Analysis of the sorption properties of different soils using water vapour adsorption and potentiometric titration methods

Analysis of the sorption properties of different soils using water vapour adsorption and potentiometric titration methods

... cation exchange capacity and total variable surface ...cat- ion exchange capacity parameters suggest that the surface of soil organic matter contains numerous functional groups with ...

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Enhancing Electrochemical Performance of Heterogeneous Cation Exchange Membranes by Using Super Activated Carbon Nanoparticles

Enhancing Electrochemical Performance of Heterogeneous Cation Exchange Membranes by Using Super Activated Carbon Nanoparticles

... cation exchange membranes were prepared by the solution casting ...membrane ion exchange capacity, fixed ionic concentration, membrane potential, transport number and membrane selectivity ...

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Preparation and Characterization of UV Irradiated SPEEK/Chitosan Membranes

Preparation and Characterization of UV Irradiated SPEEK/Chitosan Membranes

... The ion exchange capacity (IEC) was measured by the titration method. The dried membrane in the protonic form was immersed in a 1M NaCl aqueous solution for 24 h at room temperature (30 o C). The H + ...

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ION EXCHANGE PROPERTIES OF GEORGIAN NATURAL ZEOLITES

ION EXCHANGE PROPERTIES OF GEORGIAN NATURAL ZEOLITES

... the ion exchange capacity, mainly depending on the content of aluminum in their crystal ...an ion exchanger and its transition metal containing forms as catalysts ...

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Novel Nano-Zirconium Antimonate as Cation Exchange Material for Organic Dye Pollutants Purification

Novel Nano-Zirconium Antimonate as Cation Exchange Material for Organic Dye Pollutants Purification

... cation exchange material with high ion exchange capacity and produced in nano-size ...their ion exchange ...higher ion exchange capacity value of ...recorded ...

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Synthesis, Ion Exchange Properties and Analytical Application of New Hybrid Cation Exchanger : Acrylonitrile Tin(IV)Tungstophosphate

Synthesis, Ion Exchange Properties and Analytical Application of New Hybrid Cation Exchanger : Acrylonitrile Tin(IV)Tungstophosphate

... A new hybrid inorganic-organic cation exchanger acrylonitrile tin (iv) tungstophosphate has been synthesized and its analytical application explored. The effect of experimental parameter such as reagent mixing ratio, ...

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Synthesis, Characterization and Ion Exchange Properties of a three Component Cation Exchanger [Stannic(IV) iodosilicate]: Separation of Cd(II) from Mg(II), Ni(II) and Zn(II)

Synthesis, Characterization and Ion Exchange Properties of a three Component Cation Exchanger [Stannic(IV) iodosilicate]: Separation of Cd(II) from Mg(II), Ni(II) and Zn(II)

... was examined in solutions of several mineral acids such as HCl, HNO 3 and H 2 SO 4 and bases NaOH and KOH of different strength. Chemical stability was also checked in organic acid such as acetic acid and formic acid. A ...

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Synthesis, Properties and Analytical Applications of Titanium (IV) Phosphosulphosalicylate – A New Hybrid Inorganic-Organic Ion-Exchanger

Synthesis, Properties and Analytical Applications of Titanium (IV) Phosphosulphosalicylate – A New Hybrid Inorganic-Organic Ion-Exchanger

... on ion exchange capacity at various temperature (Fig1) was recorded indicates that the ion exchange capacity of the material decreases as the temperature ...99% ion ...

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DETERGENT FORMULATIONS   ION EXCHANGE pdf

DETERGENT FORMULATIONS ION EXCHANGE pdf

... Amorphous sodium silicates were among the earliest compounds that were used as builders. These com- pounds remove the water hardness by sequestering Ca 2# and Mg 2# ions, but form insoluble precipi- tates. Therefore ...

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Modelling of electrochemical ion exchange

Modelling of electrochemical ion exchange

... Usually, ion exchange is a purely diffusive phenomenon, with no chemical reactions on the ffxed ionic ...typical ion exchange application, the ion exchanger comes into contact with very ...

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Theory of Ion Exchange pdf

Theory of Ion Exchange pdf

... of ion mobility and reaction chemistry is covered in two monographs listed in the Further Reading section, and need not be reproduced ...the ion drift velocity, is dependent upon mass, size, shape, and ...

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A study of ion exchange equilibrium

A study of ion exchange equilibrium

... Least squares relative deviation Flowrate of solution through CSTR at any time Average absolute deviation for binary data points Least squares absolute deviation F-statistic Average abso[r] ...

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ION EXCHANGE RESINS   CHARACTERIZATION OF pdf

ION EXCHANGE RESINS CHARACTERIZATION OF pdf

... In appearance, gel resin beads are usually transpar- ent. Light entering the bead will pass through the homogeneous structure without being diffracted, therefore being visible from the other side of the bead. With a ...

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ELECTRODIALYSIS   ION EXCHANGE pdf

ELECTRODIALYSIS ION EXCHANGE pdf

... this generation consumes about half of the electrical energy of the process. Nowadays, special ion ex- change membranes are available for splitting water directly into H # and OH\ ions without generating gases. ...

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