Uranyl hydroxide
Identifiers | |
---|---|
211573-15-8 | |
ChemSpider | 4576989 |
Jmol interactive 3D | Image |
PubChem | 5465112 |
UN number | 2909 |
| |
| |
Properties | |
UH 2O 4 | |
Molar mass | 304.0424 g mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references | |
Uranyl hydroxide is a hydroxide of uranium with the chemical formula UO2(OH)2 in the monomeric form and (UO2)2(OH)4 in the dimeric; both forms may exist in normal aqueous media. Uranyl hydroxide hydrate is precipitated as a colloidal yellowcake from oxidized uranium liquors near neutral pH.
Uranyl hydroxide was once used in glassmaking and ceramics in the colouring of the vitreous phases and the preparation of pigments for high temperature firing. The introduction of alkaline diuranates into glasses leads to yellow by transmission, green by reflection; moreover these glasses become dichroic and fluorescent under ultraviolet rays.
Uranyl hydroxide is teratogenic and radioactive.
References
- The Structure of the a Form of Uranyl Hydroxide
- Alexander, C.A. (2005) "Volatilization of urania under strongly oxidizing conditions," Journal of Nuclear Materials, 346, 312–318.
|
This article is issued from Wikipedia - version of the Friday, August 21, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.