基于手机软件测量透明液体浓度的实验研究

doi:10.14139/j.cnki.cn22-1228.2023.03.017

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摘要

基于手机功能软件设计一种简易的测量透明液体（乙醇、葡萄糖、冰乙酸和食盐溶液）浓度的实验装置。利用手机软件的角度测量功能对光束的入射角和折射角进行读取，采用斯涅尔定律计算不同液体浓度的折射率，通过 origin 软件绘制出不同液体浓度与折射率的线性关系。研究发现：自制仪器测试的液体浓度与标准仪器测量值比较吻合，折射率越大，对应的液体浓度越大。其中，葡萄糖溶液的折射率与浓度的线性相关性最明显。自制实验装置结合手机软件测量液体浓度的方法简单、成本低，拓展了其在普通物理光学实验中的应用范围。

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	王　君
	高静敏
	杨雅舒
	郭梦雨
	赵　高
	唐亚楠

关键词: 折射率手机功能软件透明液体浓度

Abstract:

A simple experimental device for measuring the concentration of transparent liquid ( ethanol.glucose ,glacial acetic acid and salt solution) was designed based on the mobile phone function software.Usethe angle measurement function of the mobile phone software to read the incident angle and refractive angle ofthe light beam,calculate the refractive index of different liquid concentrations using Snell's law and draw theinear relationship between different liquid concentrations and refractive index through origin software.lt isfound that the liquid concentration measured by the self-made instrument is in good agreement with that measured results by the standard instrument. The greater the refractive index, the greater the corresponding iquid concentration.lt is the most obvious linear correlation between the refractive index of glucose solutionand the concentration.The self-made experimental device combined with mobile phone software to measure theconcentration of liquid is simple and low cost, which expands the application range in general physical opticsexperiments.

Key words: refractive index mobile phone function software transparent liquid concentration

出版日期: 2023-06-25 发布日期: 2023-06-25 整期出版日期: 2023-06-25

ZTFLH:

O 4-33

引用本文:

王　君, 高静敏, 杨雅舒, 郭梦雨, 赵　高, 唐亚楠. 基于手机软件测量透明液体浓度的实验研究 [J]. 大学物理实验, 2023, 36(3): 86-90.
WANG Jun, GAO Jingmin, YANG Yashu, GUO Mengyu, ZHAO Gao, TANG Yanan. Experimental Study on Measuring the Concentration of TransparentLiquids based on Mobile Phone Software . Physical Experiment of College, 2023, 36(3): 86-90.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.03.017 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I3/86

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