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PROCESS FOR MANUFACTURING RARE EARTH OXIDE CERAMIC SCINTILLATOR BY USING OXALATE PRECIPITATE DISPERSED WITH AMMONIUM
PROCESS FOR MANUFACTURING RARE EARTH OXIDE CERAMIC SCINTILLATOR BY USING OXALATE PRECIPITATE DISPERSED WITH AMMONIUM
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机译:用分散有草酸铵的草酸盐沉淀法制备稀土氧化物陶瓷闪烁体的方法
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摘要
A method of forming polycrystalline rare earth oxide ceramic scintillators formed by dissolving a mixture of oxides of the scintillator in an aqueous hydrochloric or nitric acid solution to form a rare earth solution, precipitating oxalates from the rare earth solution, calcining the oxalates to form the respective oxides, cold pressing the oxides to form a compact, and sintering the compact in a reducing atmosphere or vacuum to form the scintillator, the method being improved by precipitating the oxalates by admixing the rare earth solution with an oxalic solution comprised of, oxalic acid and ammonium ions in an amount that disperses the oxalate precipitates.
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