Analysis of tin-ore samples by the ratio of Rayleigh to Compton backscattering

Qi Ao; Liguo Cao; Yimin Ding

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Analysis of tin-ore samples by the ratio of Rayleigh to Compton backscattering

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- Analysis of tin-ore samples by the ratio of Rayleigh to Compton backscattering
- Nuclear Techniques Vol. 13, Issue 9, (1990)
- 作者机构：
  
  成都地质学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 June 1989，
  
  Published：01 September 1990
- 稿件说明：
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Qi Ao, Liguo Cao, Yimin Ding. Analysis of tin-ore samples by the ratio of Rayleigh to Compton backscattering[J]. Nuclear techniques, 1990, 13(9): 552-557.
DOI：

Qi Ao, Liguo Cao, Yimin Ding. Analysis of tin-ore samples by the ratio of Rayleigh to Compton backscattering[J]. Nuclear techniques, 1990, 13(9): 552-557. DOI：

摘要

或

射线的Rayleigh与Compton背散射强度比值（

）和散射体的原子序数密切有关，

值的大小能够反映样品中轻、重组分的比例。本文给出了一种测定锡矿样中锡含量的有效Rayleigh-Compton背散射比值法。该方法适用于由单一主量重元素和若干轻元素基体组成的样品中的重元素分析，可作为

射线荧光分析的一种补充方法。

Abstract

The relationship between the ratio of gamma-ray Rayleigh to Compton backscattering intensities (R/C) and the weight fraction of heavy element in light matrixes were investigated. An improved(R/C)

eff

analytical technique for tin-ore samples was described. The technique can be regarded as a substitute for the XRF method where the self-absorption process worsens the analytical accuracy of heavy elements.

关键词

Keywords

references

曹利国等，成都地质学院建院三十周年论文集（之六）， 1986 年，第99页。

J.B. Hubbel et al . , J . Phys. Chem. Ref. Dcta , （ 1975 ）, 4 : 471 .

Giovanni E. Gigante et al . , Int. J. Appl. Radiat. Isotopes , 35 （ 1984 ）, 6 : 481 .

L. Confalonieri et al . , Int. J. Appl. Radiat. Isotopes , 38 （ 1987 ）, 2 : 139 .

Carlo Bui et al . , Nucl. Instr. Meth. , B28 （ 1987 ）, 1 : 88 .

K.K. Nielson , Anal. Chem. , 49 （ 1977 ）, 4 : 641 .

R. Tertian and F. Claisse , Principles of quantifative X-ray fluorescence analysis , Heyden & Son Ltd. , London. 1982 ,P. 31 .

D.T. Cromer , Acta Crist , 18 （ 1965 ）, 1 : 17 .

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