分离膜透过系数的测量  

Measurement of Membrane Permeability

作　　者：陈建新[1] 吴洪[1] 

机构地区：[1]天津大学化工学院,天津300072

出　　处：《仪器仪表学报》2002年第z1期58-59,共2页Chinese Journal of Scientific Instrument

摘　　要：基于溶解 -扩散理论 ,设计了隔膜扩散池装置用于测量分离膜对待测组分的透过系数。采用示差折射仪分析甲醇浓度的变化 ,并通过计算机自动采集数据 ,实现了甲醇浓度的在线检测。该测量方法装置简单 ,操作方便 。A diaphragm diffusion cell apparatus was designed and used for membrane permeability measurement based on the solution diffusion theory Defferential refractometer was applied to measure the concentration of the composition need to be separated Data were recorded and processed by computer Dynamic measurement of the concentration change can be realized through this simple method

关 键 词：隔膜扩散池 膜分离 溶解扩散 

分 类 号：TP2[自动化与计算机技术—检测技术与自动化装置]