Skip to content

Calomel Electrode

A calomel electrode can be used instead of a standard hydrogen half cell as a reference electrode. It consists of mercury in contact with mercury (I) chloride (calomel) in potassium chloride solution. The calomel electrode has a standard electrode potential of +0.27V.

Read the text

Read the text and highlight anything you think is important. When you go on, the text is hidden and you answer from memory.