Results 251 to 260 of about 32,897 (295)
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On the mechanism of ion exchange in zirconium phosphates—XXII mixed zirconium titanium phosphates

Journal of Inorganic and Nuclear Chemistry, 1978
Abstract α-Titanium phosphate, Ti(HPO4)2·H2O, was found to form two sodium ion exchanged phases. A half exchanged phase of ideal composition TiNaH(PO4)2·4H2O formed first. However, before all of the titanium phosphate was converted to this phase a second phase of higher Na+ content formed. Thus, a three phase solid existed until sufficient sodium ion
Abraham Clearfield, Teresita N. Frianeza
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Topotactic synthesis of α-zirconium phenylphosphonate from α-zirconium phosphate

Journal of the Chemical Society, Dalton Transactions, 1998
α-Zirconium phenylphosphonate has been synthesised by a reaction between α-zirconium phosphate and molten phenylphosphonic acid. The reaction produces a physical mixture of the ‘pure’ phases of α-zirconium phenylphosphonate and α-zirconium phosphate, with the ratio dependent on the ratio of phenylphosphonic acid to α-zirconium phosphate in the ...
Gary B. Hix   +2 more
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Preparation of some intercalation compounds of layered γ-zirconium phosphate and zirconium phosphate-phosphite

Solid State Ionics, 1991
Abstract Intercalation chemistry of layered zirconium phosphates is of interest for a better knowledge of their protonic conductivity. Intercalation compounds of γ-zirconium phosphate with some alkanols, n -alkylmonoamines and benzylamine have been prepared and characterized for their X-ray powder diffraction patterns, IR spectra and TG-DTA analyses.
L SZIRTES, A RAIEH
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Comparison of sodium zirconium phosphate and calcium zirconium phosphate structures for the retention of fluoride

Journal of Radioanalytical and Nuclear Chemistry, 2013
Fluoride anion interaction has been explored for the first time to investigate how the structure of sodium zirconium phosphate (NZP) and calcium zirconium phosphate (CZP) can be altered in its presence. Different compositions were made by adding NaF and CaF2 in CZP and NZP matrices respectively.
Ambarish Dey   +7 more
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Zirconium Phosphate Binder for Periclase Refractories

Key Engineering Materials, 2001
Present paper brings information concerning the physical-mechanical properties of some high thermal resistant composites with phosphate bonding obtained from periclase clinker as solid component and various zirconium phosphates solutions as liquid component: ZI, ZII and ZIII.
Eniko Volceanov   +3 more
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Zirconium phosphates on silica matrix

Solid State Ionics, 1993
Abstract Zirconium phosphates on silica matrices are of interest for potential practical applications in ion exhange, ionic conductivity and catalysis. The α- and γ-layered forms of zirconium phosphate on a silica matrix were prepared and characterized by X-ray powder diffraction patterns and by their thermal behaviour.
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The preparation of nanoparticle zirconium phosphate

Materials Letters, 2007
Nano-sized zirconium phosphate was synthesized by the solvothermal method using stoichiometric amounts of inorganic zirconium and phosphate salts by surfactant anilin (An) and polyoxyethylene sorbitan monooleate (Tween). The formation of zirconium phosphate was investigated by means of XRD.
Yingjun Feng   +4 more
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Ionic Conductivity of Zirconium Phosphate

Journal of The Electrochemical Society, 1962
Conductivity measurements were made on zirconium phosphate prepared using an excess of phosphoric acid and not subjected to high temperatures. Measurements were made of conductivity vs temperature. In order to determine the thermal stability of the zirconium phosphate, a thermogravimetric analysis was conducted.
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Superprotonic Conductors of Glassy Zirconium Phosphates

Journal of The Electrochemical Society, 1996
Fast proton‐conducting glassy plates or films having room‐temperature conductivities of approximately have been made from the alkali‐free zirconium phosphate system using sol‐gel processing. The solid amorphous superprotonic conductors are chemically stable and nonhygroscopic in ambient atmosphere even though they contain molecular water in the ...
Yoshihiro Abe   +4 more
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X-ray photoelectron spectroscopy and catalytic activity of $alpha;-zirconium phosphate and zirconium phosphate sulfophenylphosphonate

Journal of Catalysis, 1990
X-ray photoelectron spectroscopic (XPS) analyses were performed on α-zirconium phosphate (ZrP) and on an organic derivative of ZrP, zirconium phosphate sulfophenylphosphonate (ZrPS). The XPS results show that the change of half of the phosphate groups in ZrP to sulfophenylphosphonate groups in ZrPS changes the binding energy levels for some electrons ...
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