All the above cells showed zero potential, within experimental error (±0.5 mv.). In some runs AgCl was added to one side or the other of cells containing NaCl and KC1 in the two compartments.In no case did the potential vary from zero.
DiscussionThe measured potentials of the above cells can be attributed to events at the liquid junction. If we write the cell A2 | M'A; M"A | A2 it is clear that composition in the "junction" must change continuously from M'A to M"A. The analysis which follows3 applies to this region.
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