镭-226检测方法研究进展

doi:10.19485/j.cnki.issn2096-5087.2021.08.008

Preventive Medicine

2021, Vol. 33

Issue (8): 789-792 DOI: 10.19485/j.cnki.issn2096-5087.2021.08.008

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Advance of methodology for determination of ²²⁶Ra

CAO Yiyao^*, REN Hong, GU Wenhao, LOU Xiaoming

^*Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China

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Abstract Recent years have witnessed more attention paid to the health effects of the natural radionuclide ²²⁶Ra, and a series of research carried out on the detection methods of ²²⁶Ra at home and abroad. The common ²²⁶Ra detection methods are emanation scintillation, gamma spectrometry, liquid scintillation counting, alpha spectrometry and alpha counting. Emanation scintillation is mature enough as a classical method, while gamma spectrometry and liquid scintillation counting proceed fast. Due to the radiation of ²²⁶Ra, these detection methods still have the problems such as the requirement for large samples, long detection periods, complicated steps, high detection limits and low recovery rates. This paper reviews the five methods above and summarize their advantages and disadvantages, so as to provide the reference for selecting and optimizing the detection methods for different samples as well as perfecting the standard method in China.

Key words： ²²⁶Ra determination radiation

Received: 18 February 2021 Revised: 15 April 2021 Published: 10 August 2021

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	Articles by authors
	曹艺耀
	任鸿(综述)
	楼晓明(审校)

Cite this article:

曹艺耀,任鸿(综述),楼晓明(审校). Advance of methodology for determination of ²²⁶Ra[J]. Preventive Medicine, 2021, 33(8): 789-792.

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http://www.zjyfyxzz.com/EN/10.19485/j.cnki.issn2096-5087.2021.08.008 OR http://www.zjyfyxzz.com/EN/Y2021/V33/I8/789

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