<sup>141</sup>Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements

Shilu Tong

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¹⁴¹Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements

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- ¹⁴¹Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements
- Nuclear Techniques Vol. 12, Issue 3, (1989)
- 作者机构：
  
  北京医科大学
- 作者简介：
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- Published：1989-03
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Shilu Tong. ¹⁴¹Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements[J]. Nuclear techniques, 1989, 12(3): 161-165.
DOI：

Shilu Tong. ¹⁴¹Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements[J]. Nuclear techniques, 1989, 12(3): 161-165. DOI：

摘要

毛发是常用的生物监测材料，排除外源性污染是毛发中微量元素分析的主要问题之一。各种洗涤方法在去除外源性污染的同时，亦可能造成内源性元素的丢失。影响洗涤效果的主要因素有洗涤时间、洗涤液浓度、温度、体积和pH等。通过洗发方法的

141

Ce示踪研究发现用0.1mol/1 EDTA（50℃，洗涤10min）是发样稀土分析中值得推荐的洗发方法。

Abstract

Various procedures were compared in relation to the removal of

141

Ce exogenously contaminated as well as endogenously incorporated in hair. Extraction efficiency of cerium with hot EDTA was the greatest among the four washing procedures. However

no procedure can effectively remove all exogenous cerium without reducing the endogenous cerium.

Among the four procedures evaluated

washing with 0.1mol/1 EDTA (50℃

10 minutes) is recommended before the analysis of rare earth elements in hair because of its efficiency in removing exogenous cerium and causing less loss on endogenous cerium.

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references

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141Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements

DOI：

摘要

Abstract

关键词

Keywords

references

¹⁴¹Ce as a tracer to find the efficient washing method for hair in the analysis of rare earth elements