Kinetics of crystal growth of strontium tungstate from solutions in sodium tungstate melts by continuous cooling
โ Scribed by Dr. B. N. Roy; Dr. S. Appalasami
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 602 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0232-1300
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## Thermodynamic and Kinetic Parameters From the estimated diffusion rate-constants ( k D J of strontium tungstate crystal growth from sodium tungstate melts in platinum crucibles, energy (E), enthalpy (AH,), entropy (AS,) and free-energy (47,) of activation and the pre-exponential factor (k,) for
Gll mit I D ( a ) als NmLsEN-Furiktioii fur diffusionsbcgrenztes Wachstum. Der letzte Teil der Kristallisation (30%) war alleiri begrenzt durch die Geschwindigkeit dcr Entwicklung des Konzentratiorisuberschusses des Gelosten. In dicscm Bereich dnderten sich die Kristalllangen nach mit I , = I\* bei
## Abstract The kinetics of crystallisation of calcium molybdate and tungstate from unstirred supersaturated solutions in lithium chloride melts โ in alumina crucibles โ was studied by continuous cooling from initial temperature __T__~0~ = 800ยฐC down to room temperature at cooling rates __R__~T~ =