宁德核电站周边地区茶叶中<sup>90</sup>Sr放射性水平调查

doi:10.13491/j.issn.1004-714X.2021.04.008

2021, Vol. 30

Issue (4): 428-432 DOI: 10.13491/j.issn.1004-714X.2021.04.008

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The investigation on the radioactivity level of ⁹⁰Sr in tea leaves in the vicinity of Ningde nuclear power plant

ZHENG Qishan¹, ZHANG Yan¹, ZHENG Senxing¹, HUANG Lihua¹, LIU Jia¹, FENG Yajuan¹, WANG Denan²

1. Fujian Center for Prevention and Control of Occupational Diseases and Chemical Poisoning, Fuzhou 350025 China;
2. Fuding Center for Diseases Prevention and Control, Fuding 355200 China

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Abstract Objective To investigation the radioactivity level of ⁹⁰Sr in tea leaves within and outside 30 km range of Ningde nuclear power plant.Methods The tea leaves within and outside the 30 km range of Ningde Nuclear Power Plant were collected from 2013 to 2018. According to“Radiochemical analysis of strontium-90 in water and ash of biological samples” (HJ 815—2016), the separation and analysis of ⁹⁰Sr-⁹⁰Y were carried outusing the method of di (2-ethylhexyl) phosphate (HDEHP) chromatography.Results During the period of 2013-2018, the radioactivity concentrations of ⁹⁰Sr in the tea leaves within the range of 30 km around the Ningde nuclear power plant were 0.486～13.29 Bq/kg and that of ⁹⁰Sr in the tea leaves outside the range of 30 km around the nuclear power station were 1.021～17.19 Bq/kg.Conclusion During the six years of operation in Ningde Nuclear Power Plant, there was no increase in the radioactivity level of ⁹⁰Sr in the tea leaves around the nuclear power plant.

Key words： Tea Leaves ⁹⁰Sr Radioactive Levels Nuclear Power Plant

Received: 20 November 2020

PACS:

X591

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	ZHENG Qishan
	ZHANG Yan
	ZHENG Senxing
	HUANG Lihua
	LIU Jia
	FENG Yajuan
	WANG Denan

Cite this article:

ZHENG Qishan,ZHANG Yan,ZHENG Senxing, et al. The investigation on the radioactivity level of ⁹⁰Sr in tea leaves in the vicinity of Ningde nuclear power plant[J]. , 2021, 30(4): 428-432.

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