6533b824fe1ef96bd1280965
RESEARCH PRODUCT
Thermal stability and reactivity in oxygen of potassium ferrites with spinel structure
B. MaachiB. MaachiAbel RoussetAbel RoussetB. GillotM. Laarjsubject
Thermogravimetric analysisPotassiumSpinelKineticsInorganic chemistrychemistry.chemical_elementengineering.materialOxygenThermogravimetrychemistry.chemical_compoundchemistryengineeringThermal stabilityMagnetitedescription
The potassium content really incorporated in the spinel lattice of the magnetite determined by thermogravimetric analysis in vacuum or in oxygen was about 2.45 wt%. In spite of this low content, the potassium strongly stabilises the defect spinel structure resulted by the potassium-substituted magnetite oxidation and increases the transformation temperature of the defect phases into α-Fe2O3 or KFe11O17.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1990-03-01 | Journal of Thermal Analysis |