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Uranium diboride

From Wikipedia, the free encyclopedia
Uranium boride
Uranium boride
Uranium boride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard100.031.358Edit this at Wikidata
EC Number
  • 234-508-0
  • InChI=1S/2B.U
    Key: QPXOIGGWJBMJIH-UHFFFAOYSA-N
  • B#[U]#B
Properties
UB2
Molar mass259.651 g/mol
Density12.7 g/cm3
Melting point2,430 °C (4,410 °F; 2,700 K)
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Chemical compound

Uranium boride (UB2), a compound ofuranium andboron, is a very stableglassyboride material that is insoluble in water.

It is being explored as an ingredient inhigh entropy alloys, and as a method of immobilizinguranium-basedradioactive waste, and rendering it safe for long-term storage. It has some applications inendocurietherapy, a method ofradiation therapy whereinradioactive microspheres are implanted directly into the treatment site and allowed to remain for an extended period of time, may also use this class of material as it would not be attacked whilein situ.

It is being considered as anuclear fuel material as it has a high density andthermal conductivity[1]

References

[edit]
  1. ^Watkins, Jennifer K.; Wagner, Adrian R.; Gonzales, Adrian; Jaques, Brian J.; Sooby, Elizabeth S. (2022)."Challenges and opportunities to alloyed and composite fuel architectures to mitigate high uranium density fuel oxidation: Uranium diboride and uranium carbide".Journal of Nuclear Materials.560: 153502.Bibcode:2022JNuM..56053502W.doi:10.1016/j.jnucmat.2021.153502.OSTI 1862689.S2CID 245646534.
U(II)
U(III)
Organouranium(III) compounds
U(IV)
Organouranium(IV) compounds
U(IV,V)
U(V)
U(V,VI)
U(VI)
Uranyl compounds
U(XII)
  • UO6 (hypothetical)
Borides Bxy-
BxHyHe
LiBeBCNOFNe
NaMgB2AlB2
AlB12
SiBxPSClAr
KCaB4
CaB6
ScB12TiB2VCrBMnFeB4
FexBy
CoxByNi3B
Ni2B
CuZnGaGeAsSeBrKr
RbSrB6YBxZrB2NbB2MoTcRuBxRhPdAgCdInSnSbTeIXe
CsBaB6*LuB4
LuB6
HfB2TaBxWxByReB2OsBxIrPtAuHgTlPbBiPoAtRn
FrRa**LrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg
 
*LaB4
LaB6
CeB4
CeB6
PrB4
PrB6
NdB4
NdB6
PmSmB4
SmB6
EuB6GdB4
GdB6
TbB4
TbB6
DyB4
DyB6
HoB4
HoB6
ErB4
ErB6
TmB4
TmB6
YbB4
YbB6
**AcThPaUB2NpPuBxAmCmBkCfEsFmMdNo


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