Mercury calcium - binary inorganic compound of calcium and mercury with the formula CaHg, crystals.
| Mercury Calcium | |
|---|---|
| Are common | |
| Systematic name | Mercury Calcium |
| Traditional names | Calcium Mercury; calcium amalgam |
| Chem. formula | Cahg |
| Rac formula | Hgca |
| Physical properties | |
| condition | crystals |
| Molar mass | 240.67 g / mol |
| Density | 7.5 g / cm³ |
| Thermal properties | |
| T. melt. | 961 ° C |
| Education enthalpy | -107.9 [1] kJ / mol |
| Classification | |
| Reg. CAS number | 12049-39-7 |
Getting
- Fusion of stoichiometric amounts of pure substances in an inert atmosphere:
Physical Properties
Mercury calcium forms crystals of cubic system , space group P m 3 m , cell parameters a = 0.3759 nm, Z = 1, structure of the type of cesium chloride CsCl [2] [3] [4] [5] [6] .
The compound melts congruently at a temperature of 961 ° C [2] .
Notes
- ↑ Anubhav Jain, S.-A. Seyed-Reihani, Christopher C. Fischer, David J. Couling, Gerbrand Ceder, William H. Green. Ab initio screening of sorbents for elemental mercury capture in syngas streams // Chemical Engineering Science. - 2010. - Vol . 65 . - p . 3025-3033 . - DOI : 10.1016 / j.ces.2010.01.024 .
- ↑ 1 2 State diagrams of double metallic systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
- ↑ B. Predel. Ca-Hg (Calcium-Mercury) // Landolt-Börnstein - Group IV Physical Chemistry. - 1993. - T. 5c . - S. 1-2 . - DOI : 10.1007 / 10086082_697 .
- ↑ C. Guminski. The Ca-Hg (calcium-mercury) system // Journal of Phase Equilibria. - 1993. - V. 14 , № 1 . - p . 90-96 . - DOI : 10.1007 / BF02652166 .
- ↑ G. Bruzzone, F. Merlo. The calcium-mercury system // Journal of the Less Common Metals. - 1973. - V. 32 , № 2 . - p . 237-241 . - DOI : 10.1016 / 0022-5088 (73) 90091-X .
- ↑ Richard C. Ropp ,. Encyclopedia of the Alkaline Earth Compounds. - Elsevier, 2013. - 1187 p. - ISBN 978-0-444-59550-8 .