pH meter works by measuring potential difference between known reference electrode and the measuring pH electrode.
举一反三
- When measuring current, circuit power before connecting the meter in the circuit.
- Read the following sentence and write down the Chinese meaning of the word“concentration”.Electrode potential depends on the concentration of theions.(用于化学学科)______
- Write down two kinds of arc welding processes: nonconsumable electrode and two kinds of arc welding processes: consumable electrode in English
- What is the proper Chinese meaning of the word “concentration” in sentence “Electrode potential depends on the concentration of the ions. A: 浓缩 B: 选框 C: 浓度 D: 富集
- Total station functions used in this case are①measuring horizontal distance ②measuring angle ③determining coordinates ④ measuring vertical distance A: ①② B: .②③ C: .③④ D: .④①