摘要
本文叙述了核纯铀化合物中微量氯的测定。试样在800—900℃的高温通入氧气和水蒸气,氯经高温水解从铀氧化物中以HCI形式分离出来,用稀碱溶液吸收,以氯灵敏选择性电极测定。该方法可测定铀化合物中10—500PPm的氯,相对标准偏差优于±10％,回收率85—108％。
This paper describes the determination of microamount chlorine in nuclear-grade uranium compounds. Chlorine is separated from uranium oxide pyrohydrolytically with stream of wet oxygen in a furnace at 800-900℃. Chlorine is volatilized as hydrochloric acid, which then is absorbed in a dilute alkaline solution and measured with chlorineselective electrode. This method covers the concentration range of 10-500ppm chlorine better in uranium oxide. The relative standard deviation is than 10% and recovery of 85-108% has been reported.
出处
《铀矿冶》
CAS
1989年第2期35-39,共5页
Uranium Mining and Metallurgy
关键词
铀化合物
氯
氯电极
Uranium compound Chlorine Chlorine-electrode
