Abstract
Solubilities of oxygen in liquid and solid cerium were determined by metal-oxide equilibrium method: Solubility in liquid ceriumlog (Co/mass %) liquid Ce=-4600 (±500)/T+6.3 (±0.4)(1, 123-1, 573 K)Solubility in solid cerium log (Co/mass %) solid Ce (γ) =-3200 (±600)/T+5.9 (±0.7)(923-1, 023 K)Ce2O3 was identified by the X-ray diffraction analysis as the oxide phase in equilibria with cerium from 923 to 1, 573 K.Based on the results, the partial phase diagram of Ce-O system was determined.
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