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CHROMIUM-ALUMINUM MIXING IN GARNET - A THERMOCHEMICAL STUDY

Abstract:
The enthalpies of mixing of synthetic grossular (Ca3Al2Si3O12)-uvarovite (Ca3Cr2Si3O12) solid solutions have been determined by oxide melt calorimetry at 970 K. The results indicate that the solid solution exhibits a very small negative deviation from Raoult's law. In terms of the regular solution model a chromium-aluminum interaction parameter WHCr-Al of between 0 and -1000 cal/gm atom is consistent with the data. © 1984.
Publication status:
Published

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Journal:
GEOCHIMICA ET COSMOCHIMICA ACTA
Volume:
48
Issue:
6
Pages:
1373-1375
Publication date:
1984
DOI:
ISSN:
0016-7037
URN:
uuid:73cf0f65-954a-445c-bff3-5ef05051ebfe
Source identifiers:
174983
Local pid:
pubs:174983
Language:
English

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