CAJ | 학술논문

借助MATLAB工程计算平台，通过程序设计完成了“正丁醇水溶液表面张力的测定”应用软件的开发。在完成录入压差实验数据后，不仅可以自动计算和填入溶液的表面张力，还能够实现溶液表面张力与浓度定量关系的希斯科夫斯基经验方程( Szyszkowski℉s equation)中待估参数的求解，并用以求导供给吉布斯公式计算溶液的吸附量，进而推算溶液饱和吸附量和正丁醇分子的截面积。软件的操作过程简便、直观、高效，避免了人工数据处理、绘图的烦琐和人为误差，可提高实验结果的准确性和重现性。
차조MATLAB공정계산평태，통과정서설계완성료“정정순수용액표면장력적측정”응용연건적개발。재완성록입압차실험수거후，불부가이자동계산화전입용액적표면장력，환능구실현용액표면장력여농도정량관계적희사과부사기경험방정( Szyszkowski℉s equation)중대고삼수적구해，병용이구도공급길포사공식계산용액적흡부량，진이추산용액포화흡부량화정정순분자적절면적。연건적조작과정간편、직관、고효，피면료인공수거처리、회도적번쇄화인위오차，가제고실험결과적준학성화중현성。
This paper introduces the data fitting method for determination of the surface tension of n-butanol so-lution, and a software program was developed with MATLAB for the model fitting. With this software it is convenient to obtain the equation describing the relationship between the surface tension (σ) and the concentration ( c) of n-bu-tanol based on the Szyszkowski model. The surface excess (Γ) can be calculated subsequently, and the saturation surface excess (Γ∞) and cross section area of n-butanol solution can be obtained by extrapolation.