Question

The internal reference electrode in glass electrode is
a) SCE.
b) Ag-Agcl
c) glass membrane
d) mercury​

Answer 1

Answer:

internal electrode, usually silver chloride electrode or calomel electrode. internal solution, usually a pH=7 buffered solution of 0.1 mol/L KCl for pH electrodes or 0.1 mol/L MCl for pM electrodes. when using the silver chloride electrode, a small amount of AgCl can precipitate inside the glass electrode.

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