Epithermal neutron activation analysis of trace gold standard samples

Chunhan Tong; Heguo Guan

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Epithermal neutron activation analysis of trace gold standard samples

更新时间：2022-08-16

- Epithermal neutron activation analysis of trace gold standard samples
- Nuclear Techniques Vol. 10, Issue 2, (1987)
- 作者机构：
  
  成都地质学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 September 1985，
  
  Published：1987-02
- 稿件说明：
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Chunhan Tong, Heguo Guan. Epithermal neutron activation analysis of trace gold standard samples[J]. Nuclear techniques, 1987, 10(2): 38-41,63,64.
DOI：

Chunhan Tong, Heguo Guan. Epithermal neutron activation analysis of trace gold standard samples[J]. Nuclear techniques, 1987, 10(2): 38-41,63,64. DOI：

摘要

金矿是我国急需矿种。在以往找矿工作中，都是通过与金的伴生元素来找矿的，工作量大而收效低，近年来由于痕量金分析技术的进展，直接以痕量金异常来找矿，得到可喜的成绩。

Abstract

The paper has made a general discussion about the conditions under which the ENAA will be valid and listed the respective analysis results at two different quantities.

It is discussed that a proper quantity of the standard sample depends on the sensitivity of the method and the size of gold; and also under discusion is the interference to 411.8keV from

153

Sm and

152

Eu in the trace gold analysis. It was shown that 3—5%of influence was produced for the content less than 10ppb. ENAA is satisfying as compared with RNAA. The analysis result of gold in USGS-GXR-4 agrees with the recommanded value which suggests the analysis work with satisfying precision.

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references

鄢明才等，化探痕量金标准参考样的研制，地矿部物化探所资料， 1985 ， 6 。

童纯菡等，矿石、矿物中金含量的中子活化分析，成都地质学院论文集（上）， 1982年，第156页。

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