PSS儀器用于咖啡伴侶的等電點測試分析

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. 
等電點可以通過滴定樣品PH值，再用Nicomp 380 ZLS 記錄Zeta電位，Zeta電位為0時的PH值就是等電點。