乙醇水溶液表面吸附量测定数据处理方法的改进

The Advancement of Disposal Method of Ethanol Solution Surface Adsorption Date Detemined

采用最大气泡法测定乙醇水溶液的表面吸附量,用作图法处理数据,所得表面吸附量Γ与文献值相差较大。文章建立了乙醇水溶液的表面张力σ与浓度c的关系式,由此式求出,再由吉布斯吸附公式计算各浓度的表面吸附量Γ。所求得的Γ随c的变化规律与文献吻合。

Adopting bubble -pressure method to measure ethanol solution surface adsorption , using mapping method to deal with the date, the result is distinct with the date of documents. This article is supposed to establish a relationai formula between the surface tension σ and the density C of the ethanol aqueous solution. From this , can be worked out, And then through Gibbs adsorption equation, we can work out the surface adsorption capacity Г of the various density. The changing pattern of the result Г with C tallies with the certain do cument.