Rapid determination of Pu isotopes for decommission concrete samples by inductively coupled plasma mass spectrometry

被引：8
|
作者：
Wang, Zhongtang [1 ]
Wen, Wei [1 ]
Quan, Wei [2 ]
Du, Liang [1 ]
Wang, Ping [1 ]
Lin, Jinxian [1 ]
Xie, Yun [1 ]
Tan, Zhaoyi [1 ]
机构：
[1] China Acad Engn Phys, Inst Nucl Phys & Chem, Lab Radiat Protect & Nucl Decommiss Technol, Mianyang 621900, Peoples R China
[2] Minist Environm Protect, Nucl & Radiat Safety Ctr, Beijing 100082, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 316卷 / 01期
基金：
中国国家自然科学基金;
关键词：
ICP-MS; Plutonium; Nuclear decommission; Concrete sample; ICP-MS; ENVIRONMENTAL-SAMPLES; PLUTONIUM ISOTOPES; SEDIMENT SAMPLES; ACTINIDES; SYSTEM; RATIO; SOIL;
D O I：
10.1007/s10967-018-5756-x
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Plutonium is one of the key radionuclides in nuclear decommission. In this study, a rapid method was developed to analyze Pu for concrete samples using total digestion, CaF2/LaF3 coprecipitation, extraction chromatography using TEVA and DGA resins, and ICP-MS measurement. The whole analytical process can be achieved within 2 days, with sufficiently high decontamination factors of interfering elements and high Pu chemical recovery (57-93%). The high throughput (22 samples/2 days) and low LODs (0.008 mBq g(-1) for Pu-239 and 0.02 mBq g(-1) for Pu-240) allow this method to effectively detect low level Pu contamination in concrete samples.
引用
收藏
页码：411 / 417
页数：7
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