Uranyl oxalate (UO2C2O4) is a pale yellow powdered
uranyl salt. It is often encountered in industrial
nuclear processes at both the front and back-end of the
nuclear fuel cycle. Due to its
hygroscopicity, uranyl oxalate rarely exists in the dehydrated state and is usually instead found in the trihydrate form (UO2C2O4·3H2O) at room temperature.[1] At room temperature, the powder exhibits a
monoclinic crystal structure in the P21/cspace group.[2]
^Jayadevan, N. C.; Chackraburtty, D. M. (1972-11-15). "The crystal and molecular structure of uranyl oxalate trihydrate". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 28 (11): 3178–3182.
Bibcode:
1972AcCrB..28.3178J.
doi:
10.1107/s0567740872007691.
ISSN0567-7408.