Journal article
Mechanochemical synthesis of crystalline U() triperoxide solids
CrystEngComm, Vol.24(4), pp.775-781
01/25/2022
DOI: 10.1039/d1ce01479j
Abstract
Mechanochemical reactivity of uranium trioxide (UO
3
) in the presence of solid metal peroxides resulted in the formation of crystalline uranyl triperoxide phases,
m
30
-UO
3
-Li
2
O
2
and
m
15
-UO
3
-Na
2
O
2
. Powder X-ray diffraction patterns of
m
30
-UO
3
-Li
2
O
2
and
m
15
-UO
3
-Na
2
O
2
corresponded to [UO
2
(O
2
)
3
]
12
[(UO
2
(OH)
4
)Li
16
(H
2
O)
28
]
3
·Li
6
[H
2
O]
26
and Na
4
[UO
2
(O
2
)
3
]·9H
2
O compounds, respectively. Recrystallization of the solid phases in water after grinding resulted in the formation of uranyl carbonate mineral phases, such as ejkaite Na
4
[UO
2
(CO
3
)
3
]. This study demonstrated the first solvent-free synthetic pathway to uranyl triperoxide solids that avoid generation of radioactive liquid waste.
Mechanochemical reaction of UO
3
with metal peroxides (M
2
O
2
) yields U(
vi
) triperoxide materials without producing radioactive solvent wastes.
Details
- Title: Subtitle
- Mechanochemical synthesis of crystalline U() triperoxide solids
- Creators
- Dmytro V KravchukTori Z Forbes
- Resource Type
- Journal article
- Publication Details
- CrystEngComm, Vol.24(4), pp.775-781
- DOI
- 10.1039/d1ce01479j
- eISSN
- 1466-8033
- Number of pages
- 7
- Language
- English
- Date published
- 01/25/2022
- Academic Unit
- Civil and Environmental Engineering; Core Research Facilities; Chemistry
- Record Identifier
- 9984216608502771
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