Synthesis and Properties of Calcium, Strontium, and Barium Uranates
- Authors: Chernorukov N.G.1, Nipruk O.V.1, Chernorukov G.N.1, Abrazheev R.V.1, Chaplieva K.A.1
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Affiliations:
- Lobachevskii Nizhny Novgorod State University
- Issue: Vol 89, No 1 (2019)
- Pages: 71-75
- Section: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/222704
- DOI: https://doi.org/10.1134/S1070363219010134
- ID: 222704
Cite item
Abstract
Pure crystalline compounds MIIU3O10 · n H2O (MII = Ca, Sr) and BaU2O7 · 3 H2O were obtained by reactions of synthetic schoepite (UO3 · 2.25 H2O) with aqueous solutions of calcium, strontium, and barium nitrates under hydrothermal conditions at 200°C and pH 7‒8. Their structure, dehydration, and thermal decomposition were studied by chemical analysis, X-ray fluorescence spectrometry, X-ray powder diffraction, IR spectroscopy, and thermogravimetric analysis.
About the authors
N. G. Chernorukov
Lobachevskii Nizhny Novgorod State University
Email: nipruk@yandex.ru
Russian Federation, pr. Gagarina 23a, Nizhny Novgorod, 603950
O. V. Nipruk
Lobachevskii Nizhny Novgorod State University
Author for correspondence.
Email: nipruk@yandex.ru
Russian Federation, pr. Gagarina 23a, Nizhny Novgorod, 603950
G. N. Chernorukov
Lobachevskii Nizhny Novgorod State University
Email: nipruk@yandex.ru
Russian Federation, pr. Gagarina 23a, Nizhny Novgorod, 603950
R. V. Abrazheev
Lobachevskii Nizhny Novgorod State University
Email: nipruk@yandex.ru
Russian Federation, pr. Gagarina 23a, Nizhny Novgorod, 603950
K. A. Chaplieva
Lobachevskii Nizhny Novgorod State University
Email: nipruk@yandex.ru
Russian Federation, pr. Gagarina 23a, Nizhny Novgorod, 603950