| α能谱法测量尿中的~(241)Am |
| |
| 引用本文： | 邱咏梅,杨勇. α能谱法测量尿中的~(241)Am[J]. 中国核科技报告, 2006, 0(1) |
| |
| 作者姓名： | 邱咏梅 杨勇 |
| |
| 作者单位： | 中国工程物理研究院核物理与化学研究所 绵阳621900 |
| |
| 摘 要： | 以241Am为指示剂,采用共沉淀的浓集方法浓集尿中的镅,经阴离子交换法分离纯化,然后电镀制源,用低本底α测量仪和α谱仪对尿中的241Am进行测量。在加入10-3Bq241Am指示剂的情况下,回收率可达到60%以上。结果表明,用这种方法可以对尿中10-3Bq的241Am进行定量分析,结果的不确定度小于40%。
|
| 关 键 词： | 241Am α谱仪 尿 离子交换 |
Alpha Spectrum Analysis of ~(241)Am in the Urine(In Chinese) |
| |
| QIU Yongmei YANG Yong. Alpha Spectrum Analysis of ~(241)Am in the Urine(In Chinese)[J]. China Nuclear Science and Technology Report, 2006, 0(1) |
| |
| Authors: | QIU Yongmei YANG Yong |
| |
| Abstract: | With ~(241)Am as indicator,americium in the urine was concentrated by the method of codeposition,then it was purified by the method of anion exchange,at last,the americium was electroplated.~(241)Am in the urine was analysed by six channel low level alpha measuring instrument and Alpha Spectrometer.The results show that the recovering ratio is beyond 60% under the condition that the indicator added to the urine is at the level of mBq.So,~(241)Am in the urine can be quantitatively analysed by this method,uncertainty of the result is under 40%,detection limit of the instrument is under 10~(-4) Bq. |
| |
| Keywords: | Americium-241 Alpha spectrometer Urine Ion exchange |
| 本文献已被 CNKI 等数据库收录！ |
|
