Rapid determination of ash content in coal by X-ray method

Jimin Li; Guizhen Li; Guodong Lin; Lijuan Liu

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Rapid determination of ash content in coal by X-ray method

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- Rapid determination of ash content in coal by X-ray method
- Nuclear Techniques Vol. 12, Issue 12, (1989)
- 作者机构：
  
  中国原子能科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：17 October 1987，
  
  Published：1989-12
- 稿件说明：
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Jimin Li, Guizhen Li, Guodong Lin, et al. Rapid determination of ash content in coal by X-ray method[J]. Nuclear techniques, 1989, 12(12): 703-706.
DOI：

Jimin Li, Guizhen Li, Guodong Lin, et al. Rapid determination of ash content in coal by X-ray method[J]. Nuclear techniques, 1989, 12(12): 703-706. DOI：

摘要

本文叙述了一种利用

109

Cd同位素源发射的Ag

X射线对煤所产生的康普顿散射强度和同一源激发出煤中铁元素的X射线荧光强度来确定煤灰量的方法。含灰量范围6—50%，最大标准偏差小于±1.5%，与化学重量法比较，相对误差小于±1.5%。文中还对不同能量的放射源测定煤灰量进行了讨论。

Abstract

With a

109

Cd source

the Compton scattering intensity and the X-ray fluorescence intensity of Fe in coal were used to determine the ash content in coal. The maximum deviation was lefs than ±1.5% for the ash contents from 6% to 50%

and the relative error in comparison with the gravimetry was less than ±1.5%. In this paper

the use of different radioisotope sources to determine the ash contents was also discussed.

关键词

Keywords

references

Jacques Renault , Advan. X-ray Anal. , 23 （ 1979 ）, 45 .

R. A. Fookes et al ., Nucl. Tech. Min. Res. , （ 1977 ）, 167 .

H. D. Pandey et al ., Advan. X- ray Anal. , 24 （ 1981 ）,. 323 .

N. V. Rao et al ., X -ray Spectrometry , 16 （ 1987 ）, 147 .

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