Lanthanide nitrate hydrate:urea 1:3.5 |
Mixing of cerium (III) nitrate hexahydrate, neodymium(III) nitrate hexahydrate, or praseodymium(III) nitrate with urea at various ratios; preferred ratio is 1:3.5 |
Lanthanide oxides CeO2, Pr6O11, NdO3 + mixed carbonates
|
[140] |
UNH(UO2(NO3)2·6H2O):urea at various ratios |
Mixing of UNH:urea at ratios 0.9:0.1, 0.8:0.2, 0.75:0.25, 0.6:0.4, 0.5:0.5, 0.33:0.67, 0.2:0.8, 0.1:0.9. Melting point of −5.2 °C for the 0.8:0.2 mixture |
UO2 NPs |
[141] |
ZnCl2:urea 1:4 |
DES: Urea (20.0 mmol, 1.200 g) and zinc chloride (5.0 mmol, 0.680 g). Covalent bonding of TiO2 to DES through 2,4-toluene diisocyanate (TDI). Dispersion of 0.5 g of TiO2@TDI NPs in DES with stirring at 100 °C for 18 h; washing with ethanol and drying at 60 °C under reduced pressure for 6 h |
Ti@DES nanocatalyst |
[136,137] |