INVESTIGADORES
BOHE Ana Ester
artículos
Título:
A new method for alkaline-earth monouranates preparation by solid state and chlorination reactions
Autor/es:
FEDERICO J. POMIRO; CRISTINA N. GUIBALDO; RAÚL D. QUINTEROS; ANA E. BOHÉ; GEORGINA DE MICCO
Revista:
INORGANIC CHEMISTRY COMMUNICATIONS
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2017 vol. 83 p. 128 - 135
ISSN:
1387-7003
Resumen:
Alkaline-earth monouranates with the formula MUO4 (M=Ca,Sr, Ba) were synthesized using a novel method which consists of a combinationof solid state reaction between U3O8 and alkaline-earth oxide or carbonate in air,and chlorination reaction of the product of the solid state reaction using Cl2(g)as chlorinating agent. The chlorination temperature was optimized to obtain thedesired uranate. The products obtained after the chlorination reactions werewashed with deionized water and thermally treated to crystallize the uranates.MgUO4 could not be synthesized and presents a different behavior due to thesimilarity in the starting temperatures of the magnesium and uranium oxidechlorination reactions. The monouranates were characterized by PXRD, SEM andchemical analysis to determinate their structures.
