Magnesium aluminate is an inorganic compound, a double oxide of magnesium and aluminum with the formula Mg (AlO 2 ) 2 , colorless crystals, insoluble in water.
| Magnesium Aluminate | |
|---|---|
| Are common | |
| Systematic name | Magnesium Aluminate |
| Traditional names | Magnesium Metaaluminate |
| Chem. formula | Mg (AlO 2 ) 2 |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 142.27 g / mol |
| Density | 3.55; 3.6 g / cm³ |
| Thermal properties | |
| T. melt. | 2105; 2135 ° C |
| Like heat resistant. | 115.9 J / (mol · K) |
| Enthalpy of Education | 2300 kJ / mol |
| Optical properties | |
| Refractive index | 1,723 |
| Classification | |
| Reg. CAS number | 12068-51-8 |
| Reg. EINECS number | 235-100-5 |
Getting
- In nature, there is a semiprecious mineral noble spinel - Mg (AlO 2 ) 2 , colored with impurities in different colors.
- Fusion of oxides of magnesium and aluminum :
Physical Properties
Magnesium aluminate forms colorless crystals of cubic syngony , space group F d3m , cell parameters a = 0.8106 nm, Z = 8.
Not soluble in water.
Literature
- Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1988. - T. 1. - 623 p.
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- CRC Handbook of Chemistry and Physics . - 89th Edition. - Taylor and Francis Group, LLC, 2008-2009.