PSS仪器用于咖啡伴侣的等电点测试分析

The isoelectric point (IEP) is the pH value where the zeta potential is zero.can be determined by the Nicomp 380 ZLS by titrating the sample and recording zeta potential as a function of pH. 
等电点可以通过滴定样品PH值，再用Nicomp 380 ZLS 记录Zeta电位，Zeta电位为0时的PH值就是等电点。