高透明液体透射率的测定

汪舰; 魏建平; 杨波; 高志杨; 杨学峰

doi:10.3788/OPE.20132103.0624

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高透明液体透射率的测定

现代应用光学 | 更新时间：2020-08-12

- 高透明液体透射率的测定
- Measurement of transmittance for highly transparent liquid
- 光学精密工程 2013年21卷第3期页码：624-630
- 作者机构：
  
  河南理工大学瓦斯地质与瓦斯治理重点实验室2. 河南理工大学物理化学学院3. 中国科学院西安光学精密机械研究所瞬态光学与光子技术国家重点实验室4. 河南理工大学安全工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金，亚波长金属波导结构表面等离子体超分辨光刻研究();新型荧光微结构光纤二氧化碳传感器();羟自由基降解瓦斯反应体系及效应研究()
- DOI：10.3788/OPE.20132103.0624
  中图分类号： TB96;O657.32
- 收稿日期：2012-10-28，
  
  修回日期：2012-12-24，
  
  网络出版日期：2013-03-20，
  
  纸质出版日期：2013-03-15
- 稿件说明：
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汪舰魏建平杨波高志杨杨学峰. 高透明液体透射率的测定[J]. 光学精密工程, 2013,21(3): 624-630

WANG Jian WEI Jian-ping YANG Bo GAO Zhi-yang YANG Xue-feng. Measurement of transmittance for highly transparent liquid[J]. Editorial Office of Optics and Precision Engineering, 2013,21(3): 624-630
汪舰魏建平杨波高志杨杨学峰. 高透明液体透射率的测定[J]. 光学精密工程, 2013,21(3): 624-630 DOI： 10.3788/OPE.20132103.0624.

WANG Jian WEI Jian-ping YANG Bo GAO Zhi-yang YANG Xue-feng. Measurement of transmittance for highly transparent liquid[J]. Editorial Office of Optics and Precision Engineering, 2013,21(3): 624-630 DOI： 10.3788/OPE.20132103.0624.

摘要

分析了通常利用可见分光光度计测定高度透明液体透射率易得出错误结果的原因。通过对错误结果的分析，提出了两种简单易行的测定高透明液体透射率的方法。一种方法是将比色皿的两个透明面紧密贴在一起，中间加有待测液体形成的液膜，形成液膜参比池。另一种方法是将长为1 cm的比色皿中装入待测样品作为参比池，而将长为2 cm的比色皿中装有待测样品进行测定。根据这两种方法，对多种常见液体进行了测定。结果显示，两种方法的测定结果基本相同，常见液体如乙醇、水等在可见光波长范围内的透射率均为98%~100%。这两种方法解决了高透明液体透射率测定易出现错误的问题，为人们比较和选取高透明液体提供了两种可行的方法。

Abstract

This paper analyzes the reasons that the mistaken transmittance results are prone to occur in a highly transparent liquid measurement by employing a visible spectrophotometer in traditional methods. On the basis of the analysis results

two kinds of simple ways for measuring the transmittance of highly transparent liquid are proposed.One way is to fit both kinds of transparent faces of a colorimetric ware closely together

in which the film is formed with the pending liquid to be tested. This structure is known as the liquid film reference cell. The other way is to fit the pending liquid into a 1 cm length colorimetric ware as the reference cell

and fill the pending liquid into a 2 cm length colorimetric ware as the sample cell. With the two methods

several kinds of common liquids are measured and almost identical results are obtained. Measurements show that the transmittances of measured liquids such as alcohol

water are all in 98%~100% at the visible light range. These ways eliminate the mistaken transmittance results and provide effective methods for the measurement of transparent liquid.

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references

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