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2007 | 5 | 2 | 516-535
Tytuł artykułu

Comparative study of layered tetravalent metal phosphates containing various first-row divalent metals. Synthesis, crystalline structure

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The transition metal forms of α-zirconium-. titanium-, and hafnium phosphates were prepared by ion exchange method. Their structure was investigated by X-ray powder diffraction (XRPD) method. It was found that the transition metal containing phosphates have the same layered structure as the pristine tetravalent metal phosphates, except for the increase of interlayer distance from 7.6 Å to ∼9.5 Å. As a result of the incorporation of transition metals in the layers, the c-axis is increased from ∼15 Å to ∼20 Å (in the case of titanium phosphate to ∼25 Å). All other parameters (a, b and β °) are practically unchanged. [...]
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Wydawca

Czasopismo
Rocznik
Tom
5
Numer
2
Strony
516-535
Opis fizyczny
Daty
wydano
2007-06-01
online
2007-02-02
Twórcy
  • Institute of Isotopes, Hungarian Academy of Sciences, H-1525, Budapest, Hungary, szirtes@iki.kfki.hu
  • Institute of Isotopes, Hungarian Academy of Sciences, H-1525, Budapest, Hungary
  • Institute of Isotopes, Hungarian Academy of Sciences, H-1525, Budapest, Hungary
  • Research Group of Nuclear Methods in Structural Chemistry, Department of Nuclear Chemistry, HAS, Eötvös Lóránd University, H-1518, Budapest, Hungary
Bibliografia
  • [1] I.V. Tanaev (Ed.): The Chemistry of Tetravalent Elements Phosphates, Nauka, Moscow 1972 and references therein.
  • [2] M.T. Averbuch-Pouchot and A. Durif (Eds.): Topics in Phosphate Chemistry, World Sci, Singapore, 1994.
  • [3] A. Clearfield and J.A. Stynes: “The preparation of crystalline zirconium phosphate and some observation on its ion exchange behaviour”, J. Inorg. Nucl. Chem., Vol. 26, (1964), pp. 117–129. http://dx.doi.org/10.1016/0022-1902(64)80238-4[Crossref]
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  • [10] L. Szirtes: “Progress in chemistry of inorganic ion exchangers”, Thesis (D.Sc.), Hungarian Academy of Sciences Budapest, 1987 (in Hungarian).
  • [11] A. Clearfield (Ed.): Inorganic Ion Exchange Materials CRC Press, Boca Raton, FL, 1982, Chp. 1, pp. 30,35 and references therein.
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  • [16] G. Alberti, S. Cavalaglio, F. Marmottini, K. Matusek, J. Megyeri and L. Szirtes: “Preparation of a composite γ-zirconium phosphate-silica with large specific surface and its first characterisation as acid catalyst”, Appl. Catal. A: General, Vol. 218, (2001), pp. 219–228. http://dx.doi.org/10.1016/S0926-860X(01)00648-2[Crossref]
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  • [20] S.K. Shakshooki, N. Naqvi, S. Khalil, M. Mostaq and L. Szirtes: “Mixed acid salts of tetravalent metals VI”, J. Radioanal. Nucl. Chem. Art., Vol. 121(1), (1988), pp. 195–201. http://dx.doi.org/10.1007/BF02041461[Crossref]
  • [21] S.K. Shakshooki, F. Masaodi, A. Dehair, J. Kowalczyk and L. Szirtes: “Mixed acid salts of tetravalent metals VIII”, J. Radioanal. Nucl. Chem. Art., Vol. 132(2), (1989), pp. 251–260. http://dx.doi.org/10.1007/BF02136084[Crossref]
  • [22] M. Suárez, L.M. Barcina, R. Llavona and J. Rodriguez: “Layered hafnium phosphates. Synthesis, characterisation, crystalline structure and intercalation behaviour”, J. Mol. Struct., Vol. 470, (1998), pp. 105–119. http://dx.doi.org/10.1016/S0022-2860(98)00474-8[Crossref]
  • [23] L. Szirtes, J. Megyeri, L. Riess and E. Kuzmann: “Thermal decomposition of hafnium phosphate and related materials”, J. Therm. Anal. Cal., Vol. 65, (2001), pp. 975–981. http://dx.doi.org/10.1023/A:1011917324606[Crossref]
  • [24] R.B. Sandell (Ed): Colorimetric Determination of Traces of Metals, Intersci. Publ. Inc., N.Y., 1959, pp. 426,453, 610, 674,870, 941, 966.
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  • [28] L. Szirtes. A.M. Szeleczky, A.O. Rajeh and E. Kuzmann: “Thermal behaviour of transition metal containing zirconium phosphate”, J. Therm. Anal. Cal., Vol. 56, (1999), pp. 447–451. http://dx.doi.org/10.1023/A:1010183609021[Crossref]
  • [29] L. Szirtes, L. Riess and J. Megyeri: “Thermal-analytical investigation of layered titanium salts”, J. Therm. Anal. Cal., Vol. 73, (2003), pp. 209–219. http://dx.doi.org/10.1023/A:1025150011743[Crossref]
  • [30] L. Szirtes, L. Riess and J. Megyeri: “Thermoanalytical investigation of crystalline layered hafnium salts”, J. Therm. Anal. Cal., Vol. 79, (2005), pp. 135–140. http://dx.doi.org/10.1007/s10973-004-0574-5[Crossref]
  • [31] L. Zsinka and L. Szirtes: “Determination of specific surface of some synthetic ion exchangers; Measurements in gas and liquid phases”, Magy. Kém. Folyóirat, Vol. 74(6), (1968), pp. 258–260 (in Hungarian).
  • [32] A. Clearfield and J.M. Kalnins: “On the mechanism of ion exchange in zirconium phosphates XIII”, J. Inorg. Nucl. Chem., Vol. 38, (1976), pp. 849–852. http://dx.doi.org/10.1016/0022-1902(76)80369-7[Crossref]
  • [33] L. Szirtes, J. Megyeri, E. Kuzmann and Z. Klencsár: “Electrical conductivity of transition metal containing crystalline zirconium phosphate materials”, Solid State Ionics, Vol. 145, (2001), pp. 257–260. http://dx.doi.org/10.1016/S0167-2738(01)00949-3[Crossref]
  • [34] L. Szirtes, J. Megyeri, L. Riess and E. Kuzmann: “Electrical conductivity of transition metal containing crystalline titanium phosphate materials”, Solid State Ionics, Vol. 162–163, (2003), pp. 181–184. http://dx.doi.org/10.1016/S0167-2738(03)00225-X[Crossref]
  • [35] W. Hume-Rothery and G.V. Raynor: The Structure of Metals and Alloys, Ed. By Inst. Of Metals, London, 1954, pp. 100–103.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-007-0003-2
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