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Synthesis and Characterization of a Perovskite Barium Zirconate (BaZrO3): An Experiment for an Advanced Inorganic Chemistry Laboratory.

Authors :
Thananatthanachon, Todsapon
Source :
Journal of Chemical Education. Jun2016, Vol. 93 Issue 6, p1120-1123. 4p.
Publication Year :
2016

Abstract

In this experiment, the students explore the synthesis of a crystalline solid-state material, barium zirconate (BaZrO3) by two different synthetic methods: (a) the wet chemical method using BaCl2·2H2O and ZrOCl2·8H2O as the precursors, and (b) the solid-state reaction from BaCO3 and ZrO2. BaZrO3 adopts a perovskite structure with a cubic unit cell. The intermediate and the products are examined by various characterization techniques. The identity and the purity of the products are determined by powder X-ray diffraction technique. The structural information on the products is analyzed by the XRD patterns, where students apply the sin2θ-ratio method to determine the type and dimension of the unit cell. The composition of the Ba2+ and Zr4+ ions in the product is determined by the gravimetric analysis, while the vibrational modes of the product are observed by Infrared Spectroscopy. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00219584
Volume :
93
Issue :
6
Database :
Academic Search Index
Journal :
Journal of Chemical Education
Publication Type :
Academic Journal
Accession number :
116175697
Full Text :
https://doi.org/10.1021/acs.jchemed.5b00924