%0 Journal Article
%T Thermal decomposition of illite
%A Ara¨²jo
%A Jos¨¦ Humberto de
%A Silva
%A Nagib Francisco da
%A Acchar
%A Wilson
%A Gomes
%A U¨ªlame Umbelino
%J Materials Research
%D 2004
%I ABM, ABC, ABPol, SBCC, SBCr, SBMM, SBPMat
%R 10.1590/S1516-14392004000200024
%X the effect of heat treatment on illite in air at temperatures ranging from 750 to 1150 ¡ãc was studied using the m£¿ssbauer effect in 57fe. the dependence of the m£¿ssbauer parameters and relative percentage of the radiation absorption area was measured as a function of the firing temperature. the onset of thermal structural decomposition occurred at 800 ¡ãc. with rising temperature, the formation of hematite (fe2o3) increased at the expense of the silicate mineral.
%K illite
%K thermal decomposition
%K m£¿ssbauer spectroscopy.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1516-14392004000200024&lng=en&nrm=iso&tlng=en