Rapid radiochemical analysis of uranium and plutonium in emergency urine samples

被引：0
|
作者：
Mei, Lingzi [1 ]
Shao, Hui [1 ]
Cui, Lingzhi [1 ]
Yang, Jinmin [1 ]
Zhang, Lei [1 ]
机构：
[1] State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2024年 / 333卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Rapid radiochemical analysis; Urine sample; Uranium; Plutonium; Alpha spectrometry; ICP-TOF-MS; SEQUENTIAL SEPARATION; BIOASSAY METHOD; ACTINIDES; ISOTOPES; WATER; LEVEL; PU;
D O I：
10.1007/s10967-024-09357-1
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A novel method for rapid radioanalytical measurement of uranium and plutonium in 100ml emergency urine samples was developed, through optimized selection of the separation and purification process and a combined measurement with ICP-TOF-MS and alpha spectrometry. The typical analytical time is within 6 h, the recovery rates are more than 80%, and the minimum detection activity concentrations are 3.4 x 10-4 Bq/L for 238U and 2.5 x 10-3 Bq/L for 239Pu respectively. The spiked test shows that this method can be used for quantitative evaluation of the activity concentration of 238U and 239Pu in urine samples accurately.
引用
收藏
页码：1357 / 1365
页数：9
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