1985
DOI: 10.1039/dt9850001737
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Crystalline zirconium(IV) hydrogenarsenate hydrogenphosphate monohydrate: synthesis, ion-exchange properties, and thermal behaviour

Abstract: A new crystalline layered inorganic ion-exchanger with formula Zr( HAsO,) (HP0,)-H,O has been prepared by refluxing the amorphous product. Its ion-exchange properties towards sodium ions and its thermal behaviour, together with that of the pure sodium phases obtained, are reported and discussed. The exchanger is very stable to hydrolysis and has a high exchange capacity. Its general behaviour is intermediate between that of Zr( H PO,),-H,O and Zr( HAsO,),=H,O.

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Cited by 13 publications
(5 citation statements)
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“…compounds containing two different cations and a given anion or two different anions and a cation, are interesting since they exhibit improved properties in comparison to their single salt counterparts [32,33]. Mixed materials have been widely investigated and exhibit improved ion exchange characteristics compared to their single salt counterparts [34][35][36][37]. From our laboratory, mixed material containing two anions and a cation, zirconium phosphomolybdate, has been synthesized, characterized and their proton conduction properties compared with single salt counter parts, zirconium phosphate and zirconium molybdate [38].…”
Section: Introductionmentioning
confidence: 99%
“…compounds containing two different cations and a given anion or two different anions and a cation, are interesting since they exhibit improved properties in comparison to their single salt counterparts [32,33]. Mixed materials have been widely investigated and exhibit improved ion exchange characteristics compared to their single salt counterparts [34][35][36][37]. From our laboratory, mixed material containing two anions and a cation, zirconium phosphomolybdate, has been synthesized, characterized and their proton conduction properties compared with single salt counter parts, zirconium phosphate and zirconium molybdate [38].…”
Section: Introductionmentioning
confidence: 99%
“…Lamellar materials feature a number of important and interesting properties, due to the qualities induced to them by the addition of guest components placed within the interlayer spacing. Among the main properties shown by these materials, we can mention the following: [1][2][3] (a) these solids can host a variety of molecules in-between their interlayer spacing; (b) these substrates have the ability to exchange ions; (c) these substances can vary their internal chemical composition; (d) the surface layer of these materials can present considerable chemical activity; and (e) the lamellar structure of these substrates can undergo reversible swelling.…”
Section: Introductionmentioning
confidence: 99%
“…Elbrahimi et al (1990) prepared and characterized by single crystal XRD the composition KZr 2 As 3 0i 2 in the space group R3c and with nasicon structure, however the XRD powder patterns were not measured or reported. Berardelli et al (1985) prepared by a wet chemical route KZr 2 AS[ 5 Pj 5 O 12 whose XRD powder intensities were later collected as PDF-37-0298 (McClune, 1985). The patterns were however unindexed as the same author did not recognize the nasicon structure for this phase.…”
Section: Introductionmentioning
confidence: 99%