Diuran-potassium fluoride - an inorganic compound, double potassium and uranium fluoride with the formula KU 2 F 9 , green crystals.
| Diurana Potassium Fluoride | |
|---|---|
| Are common | |
| Systematic name | Diurana Potassium Fluoride |
| Traditional names | Uranium Potassium Fluoride |
| Chem. formula | KU 2 F 9 |
| Physical properties | |
| condition | green crystals |
| Molar mass | 686.14 g / mol |
| Density | 6.5 g / cm³ |
| Thermal properties | |
| T. melt. | 765 ° C |
| Security | |
| Toxicity | highly toxic, carcinogenic, radioactive poison  |
| NFPA 704 |  ? four ? |
Content
Getting
- Fusion of uranium fluoride and potassium fluoride [1] :
- {\ displaystyle {\ mathsf {KF + 2UF_ {4} \ {\ xrightarrow {765 ^ {o} C}} \ KU_ {2} F_ {9}}}}
Physical Properties
Diuran-potassium fluoride forms green crystals of rhombic syngony , space group P nma , cell parameters a = 0.87021 nm, b = 1.14769 nm, c = 0.70350 nm, Z = 4.
Notes
- ↑ Brunton G. The crystal structure of KU 2 F 9 // Acta Cryst .. - 1969. - T. B25 . - S. 1919-1921 . - DOI : 10.1107 / S0567740869004912 .
Literature
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.