【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 ,测量数据可靠更多还原

【Abstract】 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更多还原