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Citation: Ruilin Han, Xiaoqi Yan. Comparison of Multiple Function Methods for Fitting Surface Tension and Concentration Curves[J]. University Chemistry, ;2024, 39(7): 381-385. doi: 10.3866/PKU.DXHX202311023 shu

Comparison of Multiple Function Methods for Fitting Surface Tension and Concentration Curves

Ruilin Han ¹ ,
Xiaoqi Yan ^1,2

1.
College of Chemistry, Nankai University, Tianjin 300071, China;
2.
Institute of Applied Chemistry and Engineering, Nankai University, Tianjin 300071, China

Received Date: 6 November 2023
Revised Date: 29 December 2023

In order to conduct a more in-depth study of the classic experiment on surface tension, various function models were employed using Origin software to fit the surface tension and concentration curves. The advantages and disadvantages of each function fitting were then discussed. It was found that the logarithm function exhibited high mathematical accuracy and also had a clear physical interpretation, making it more suitable and practical for fitting the surface tension and concentration curves. This finding provides valuable insights for data processing in college experimental teaching.
- Multiple function models,
- Surface tension,
- Physical chemistry experiment,
- Nonlinear fitting,
- Origin software
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