Thermal treatment on composite γ-zirconium phosphate-silica

L. Szirtes, J. Megyeri, E. Kuzmann

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The prepared amorphous γ-ZrP\SiO2 composite had a complicated composition, since a part of γ-ZrP is converted to α-form during the exfoliation of it. The γ-ZrP\SiO2 composite have specific surface area of 421 m2g-1. The acidic P-OH groups of the lamellae species placed on the surface (it is ≈1.0 meq g-1), do not destroy until the temperature of 1030 K. During the thermal treatment the total mass loss of 7.79% was found. This value corresponds to 0.42 mole of H2O per molecule unit. The water loss process was found very slow, because of the placing of bilamellar species in the composite.

Original languageEnglish
Pages (from-to)329-333
Number of pages5
JournalJournal of Thermal Analysis and Calorimetry
Volume85
Issue number2
DOIs
Publication statusPublished - Aug 1 2006

Keywords

  • Phosphate
  • Silica
  • Thermal analysis
  • Zirconium

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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