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Rapid detection of 90Sr in biological samples
- NUCLEAR TECHNIQUES Vol. 39, Issue 10, Article number: 100301(2016)
- 作者机构：
1.烟台出入境检验检疫局 烟台 264000
2.山东核电有限公司 烟台 264000
- 作者简介：
- 基金信息：Scientific and Technological Project of Shandong Exit-Entry Inspection and Quarantine Bureau
DOI：10.11889/j.0253-3219.2016.hjs.39.100301
CLC： TL277Received：07 June 2016，
Revised：09 August 2016，
Published：2016-10
- 稿件说明：
移动端阅览
Di SHANG, Sizheng MA, Chenglong YU, et al. Rapid detection of 90Sr in biological samples[J]. Nuclear techniques, 2016, 39(10): 100301
Di SHANG, Sizheng MA, Chenglong YU, et al. Rapid detection of 90Sr in biological samples[J]. Nuclear techniques, 2016, 39(10): 100301 DOI： 10.11889/j.0253-3219.2016.hjs.39.100301.
摘要
为对生物样品中
90
Sr进行快速有效地检测和缩短检测周期，本研究采用新型Sr
&
#183;Spec固相萃取树脂对生物样品中
90
Sr进行分离纯化，结合硝酸消解预处理、碳酸盐沉淀、低本底α/β测量等，通过大量实验验证，建立了一种生物样品中
90
Sr的快速检测分析方法。该方法直接对
90
Sr进行富集分离和测量，省去
90
Sr与
90
Y平衡时间，检测周期大幅缩短，对Sr化学回收率约为80%。
Abstract
Background:
2
90
Sr is the key monitoring object in the domestic and foreign environment because of its high fission yield and long half-life. There are mainly three methods in current standards
which are all used to measure the content of
90
Y for calculating the content of
90
Sr. All these methods have long experimental periods.
Purpose:
2
This study aims to build a method to detect
90
Sr in biological samples rapidly and effectively and to shorten the detection period.
Methods:
2
A new
90
Sr detection method in biological samples is built. And a new Sr
&
#183;Spec solid phase extraction resin is used to separate and purify
90
Sr in this method
combined with digestion pretreatment
carbonate precipitation
low background alpha and beta measurement.
Results:
2
This method is to determine directly the content of
90
Sr. The detection period was shortened obviously and the recovery of Sr was about 80%.
Conclusion:
2
Experimental results show that the new method is rapid and effective for
90
Sr detection in biological samples.
关键词
Keywords
references
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