Mechanochemical syntheses of inorganic compounds in neutralization reactions

The possibility of the mechanochemical syntheses using solid reactants of the type: acid/acid anhydride + metal hydroxide/metal carbonate has been investigated. The particular system ( H 2SeO 3 SeO 2 + 2NaOH Na 2CO 3 ) was chosen for the study. The results of mechanochemical syntheses in a planetary...

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Bibliographic Details
Published in:Materials letters 1996-09, Vol.28 (1), p.59-64
Main Authors: VIDOJKOVIC, V. M, BRANKOVIC, A. R, PETRONIJEVIC, R. B
Format: Article
Language:English
Subjects:
Chemistry
Diffractogram
Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...)
Exact sciences and technology
Inorganic
Inorganic chemistry and origins of life
Mechanochemical
Neutralization
Preparations and properties
Synthesis
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Summary:The possibility of the mechanochemical syntheses using solid reactants of the type: acid/acid anhydride + metal hydroxide/metal carbonate has been investigated. The particular system ( H 2SeO 3 SeO 2 + 2NaOH Na 2CO 3 ) was chosen for the study. The results of mechanochemical syntheses in a planetary mill for two of four possible combinations (H 2SeO 3 + Na 2CO 3) and (SeO 2 + NaOH) were presented. Considering X-ray and IC analyses, sodium hydrogen selenite as an intermediary compound and sodium selenite as a final product were obtained during the mechanochemical activation for both systems. Based on the obtained results, the model that describes the possible reaction mechanism appearing during the mechanochemical syntheses has been developed.
ISSN:0167-577X
1873-4979
DOI:10.1016/0167-577X(96)00035-3