Study on the dissolution analysis method of <sup>90</sup>Sr and <sup>137</sup>Cs in soil samples

Hong Xu; Jiguan Wei; Jujing Zhang; Min Wang

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Study on the dissolution analysis method of ⁹⁰Sr and ¹³⁷Cs in soil samples

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- Study on the dissolution analysis method of ⁹⁰Sr and ¹³⁷Cs in soil samples
- Nuclear Techniques Vol. 12, Issue 5, (1989)
- 作者机构：
  
  新疆维吾尔自治区放射医学卫生防护监督所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：30 November 1987，
  
  Published：1989-05
- 稿件说明：
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Hong Xu, Jiguan Wei, Jujing Zhang, et al. Study on the dissolution analysis method of ⁹⁰Sr and ¹³⁷Cs in soil samples[J]. Nuclear techniques, 1989, 12(5): 298-303.
DOI：

Hong Xu, Jiguan Wei, Jujing Zhang, et al. Study on the dissolution analysis method of ⁹⁰Sr and ¹³⁷Cs in soil samples[J]. Nuclear techniques, 1989, 12(5): 298-303. DOI：

摘要

本文介绍了用四种不同的浸取剂，对土壤样品进行条件实验，结果表明，4mol/lHCl-0.4mol/l HF酸是土壤样品中

Sr和

137

Cs较为理想的浸取剂。用此混合酸浸取100g土壤样品中的

Sr和

137

Cs，借助经典方法分离纯化，对Ca、K的分离是完全的。示踪回收实验表明

Sr、

137

Cs的平均化学回收率和放化回收率基本一致。放化分析测得土壤中

137

Cs平均浓度18.4Bq/kg，与

谱仪测得结果18.0、18.5（Bq/kg）相吻合。对多种类型的近二百份土壤样品进行了

Sr、

137

Cs的分析，其化学回收率均大于80%。实际应用证明，土壤

Sr、

137

Cs联合浸取法切实可行，结果准确可靠。

Abstract

A condition test on soil samples with four different dissolution preparations is presented. The results show that the 4 mol/l HCl-0.4 mol/l HF is an ideal dissolvent for

Sr and

137

Cs in soil samples. With the mixed acid the nuclides

Sr and

137

Cs can be dissolved by the classical method. By radiochemical analysis

the average concentration of

137

Cs in soil is 18.4 Bq/kg

well in agreement with the results of 18.0 and 18.5 Bq/kg determined by the gamma spectrometry method.

The chemical recovery of

Sr and

137

Cs for about 200 soil samples is more than 80%. The procedure is accurate and reliable for practical use.

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references

环境放射性监测方法编写组，环境放射性监测方法，原子能出版社， 1977 年。

全国食品放射性分析会战组，铯－137的磷钼酸铵法测定， 1975 年。

顾若梅等，辐射防护， 4 （ 1981 ）， 70 。

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Related Institution

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⁰

Study on the dissolution analysis method of 90Sr and 137Cs in soil samples

DOI：

摘要

Abstract

关键词

Keywords

references

Study on the dissolution analysis method of ⁹⁰Sr and ¹³⁷Cs in soil samples