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X-ray data on some calcium-iron-oxygen compounds

Published online by Cambridge University Press:  14 March 2018

H. Hughes ,
P. Roos  and
D. C. Goldring
H. Hughes
Affiliation:
United Steel Cos. Ltd., Research & Development Department, Swinden Laboratories, Moorgate, Rotherham
P. Roos
Affiliation:
United Steel Cos. Ltd., Research & Development Department, Swinden Laboratories, Moorgate, Rotherham
D. C. Goldring
Affiliation:
United Steel Cos. Ltd., Research & Development Department, Swinden Laboratories, Moorgate, Rotherham
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Summary

Synthetic mixtures of CaO and Fe2O3 fired in air at temperatures in the range 1180° C to 1240° C in some cases lost oxygen and formed ferrous-iron-bearing compounds. Samples after firing were examined by incident light microscopy and X-ray diffraction; new powder data are presented for the phases reported. In addition to α-Fe2O3, CaFe2O4, and Ca2Fe2O53. four distinct phases have been identified. These are and two forms of , described previously by Braun and Kwestroo (1960). The likely compositions of these phases are given.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 36 , Issue 278 , June 1967 , pp. 280 - 291
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1967

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