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Media type:
E-Article
Title:
Product Prediction: Intermediates Formed During Rare Earth Reactions
Contributor:
Castañeda, Rodrigo;
Chavira, Elizabeth;
Peralta, Oscar
Published:
Sociedad Quimica de Mexico, A.C., 2017
Published in:
Journal of the Mexican Chemical Society, 58 (2017) 1
Language:
Not determined
DOI:
10.29356/jmcs.v58i1.160
ISSN:
2594-0317;
1870-249X
Origination:
Footnote:
Description:
Thermal analyses, X-ray diffraction (XRD), and HR-XRD (High Resolution XRD) were used to identify thermal behavior products in a family of solid-state reactions involving rare earth (REE) reagents. REE where sorted in light and heavy groups. The general reactions under study were: REE2O3 + Fe2O3 + As2O3 → 2REEFeO3 +As2O3↑ and 2REE(OH)3 + Fe2O3 + As2O3 → 2REEFeO3 + As2O3↑ + 3H2O↑, REE= La, Ce, Nd, Sm, Gd, Dy, Ho, Er, and Yb. Based on the experimental results, it is possible to predict the different compounds of REE products in a series of reactions analyzing only three of the reactions, two for light REE and one for heavy REE.