Image:Glass electrode scheme.jpg
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1 - a sensing part of electrode, a bulb made from specific glass
2 - sometimes electrode contain small amount of AgCl precipitate inside the glass electrode
3 - internal solution, usually 0.1M HCl for pH electrodes or 0.1M MeCl for pMe electrodes
4 - internal electrode, usually silver chloride electrode or calomel electrode
5 - body of electrode, made from non-conductive glass or plastics.
6 - reference electrode, usually the same type as 4
7 - junction with studied solution, usually made from ceramics or capillary with asbestos or quartz fiber.
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