Published October 1976 | Version v1
Journal article Metadata-only

Ammonium uranyl vanadate and the products of its thermal decomposition

Creators

  • 1. La Plata Univ. Nacional (Argentina). Facultad de Ciencias Exactas

Description

Hydrated ammonium uranyl vanadate has been investigated with roentgenographic and spectroscopic methods. The analysis of the powder diagram shows that the compound is structurally related to the mineral Carnotite. The i.r. and Raman spectra also confirm this relation. The thermal behaviour of NH4UO2VO4 . nH2O is also reinvestigated and the uranyl divanadate, (UO2)2V2O7, produced during this decomposition is fully characterized. Its behaviour in the temperature range up to 1200 0C is also investigated. (author)

Abstract (German)

Hydratisiertes Ammonium‐Uranyl‐Vanadat wurde röntgenographisch und schwingungsspektroskopisch untersucht. Die Auswertung des Pulverdiagramms erwies, daß die Substanz mit dem Mineral Carnotit strukturell verwandt ist. Auch die IR‐ und Raman‐Spektren bestätigten diese Verwandschaft. Die thermische Zersetzung von NH 4 UO 2 VO 4 · nH 2 O wurde erneut untersucht. Das dabei gebildete Uranyldivanadat, (UO 2 ) 2 V 2 O 7 , wurde eingehend charakterisiert und das Verhalten bei Temperaturen bis zu 1200°C untersucht.

Additional details

Additional titles

Original title (German)
Ueber Ammonium-Uranyl-Vanadat und die Produkte seiner thermischen Zersetzung

Identifiers

DOI
10.1002/zaac.19764260312;

Publishing Information

Journal Title
Zeitschrift für anorganische und allgemeine Chemie
Journal Volume
426
Journal Issue
3
Series
Z. Anorg. Allg. Chem.
Journal Page Range
321-332
ISSN
0044-2313

INIS

Country of Publication
German Democratic Republic
Country of Input or Organization
German Democratic Republic
INIS RN
8295265
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
AMMONIUM COMPOUNDS; CHEMICAL PREPARATION; CRYSTAL STRUCTURE; DIAMAGNETISM; HYDRATES; INFRARED SPECTRA; LATTICE PARAMETERS; PYROLYSIS; RAMAN EFFECT; URANYL COMPOUNDS; VANADATES; X-RAY DIFFRACTION
Descriptors DEC
ACTINIDE COMPOUNDS; CHEMICAL REACTIONS; COHERENT SCATTERING; DECOMPOSITION; DIFFRACTION; MAGNETISM; OXYGEN COMPOUNDS; SCATTERING; SPECTRA; SYNTHESIS; TRANSITION ELEMENT COMPOUNDS; URANIUM COMPOUNDS; VANADIUM COMPOUNDS

Optional Information

Notes
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