摘要
以环己烷-乙醇双液系的折光率测定为例,探讨建立双液系折光率-组成-温度关系模型,用以快速、准确测定双液系组成的方法。该方法是在不同温度下,测定不同溶液组成的折光率,利用最小二乘法拟合出折光率-温度,折光率-组成以及折光率-组成-温度间的关系模型,然后用拟合好的关系模型预测测试结果。实验结果表明,直接用拟合的关系模型确定双液系组成是有效而可行的。
Based on the modeling of refractive index,component and temperature in the cyclohexane-alcohol two-
component system, a method was discussed for determining the component of two-component system rapidly and
accurately. First of all, a series of refractive index of two-component system were determined in out-of-tempera-
ture and out-of-component. The relation model of refractive index,temperature and component were fit by the
least square method and used for forecasting the measurement and test results. The results show the method is
feasible and effective for direct-determining the component of two-component system.
出处
《仪器仪表学报》
EI
CAS
CSCD
北大核心
2003年第z2期34-35,41,共3页
Chinese Journal of Scientific Instrument
关键词
双液系
折光率
模
型
Two-component system
Refractive index
Model
