Phase Transformation of Hexacelsians Doped with Li, Na and Ca

Abstract:

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A series of hexacelsians with different compositions were synthesized by thermally induced transformation of a LTA zeolite. Various forms of hexacelsians have been characterized by XRPD, IR, Raman and 29Si MAS NMR method. The phase transformation ab hexacelsian was investigated by DSC method. This phase transformation is sensitive to synthesis conditions, doping and thermal treatment. The peak maximum temperature, Tm, varies from 302 up to 353 oC. Heat of transformation changes from 0.42 to 1.77 kJ/mol.

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Periodical:

Edited by:

Dragan P. Uskokovic, Slobodan K. Milonjic, Djan I. Rakovic

Pages:

107-112

DOI:

10.4028/www.scientific.net/MSF.494.107

Citation:

V. Dondur et al., "Phase Transformation of Hexacelsians Doped with Li, Na and Ca", Materials Science Forum, Vol. 494, pp. 107-112, 2005

Online since:

September 2005

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$35.00

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