Chapter2 Potentiometry电位法 Section 1 principle of potentiometric measuring techniques 1. Chemical cell 化学电池 2. Reference electrode 参比电极 3. Indicator electrode 指示电极 4. Ion-selective electrode 离子选择性电极Chapter 2 Potentiometry 电位法 Section 1 principle of potentiometric measuring techniques 1. Chemical cell 化学电池 2. Reference electrode 参比电极 3. Indicator electrode 指示电极 4. Ion-selective electrode 离子选择性电极