Table 1.

Potential of the electrodes 1d and 1e recorded during continuous contact with 0.1 M KCl solution.

Days of Soaking	Electrode 1e-1 (mV)	Electrode 1e-2 (mV)	Electrode 1d-1 (mV)	Electrode 1d-2 (mV)	Electrode 1d-3 (mV)
1	−2.4	1.7	−1.4	−1	0.4
5	−2.5	1.7	−1.6	−1.7	0.1
9	−2.8	1.7	−1.6	−1.7	0.1
10	−2.4	1.7	−1.8	−2.1	−0.1
12	−2.5	2.6	−1.5	−1.8	−0.1
13	−2.9	1.6	−1.6	−1.9	−0.1
16	−2.9	1.8	−1.6	−1.4	−0.2
17	−2.2	2.9	−1.8	−1.7	0.0
19	−2.3	2.4	−1.7	−1.5	−0.1
22	−2.3	2.0	−1.9	−1.3	0.1
23	−2.6	2.0	−2.2	−2.3	−0.2
30	−2.9	1.5	−2.7	−2.6	−1.0
38	−3.2	1.0	−3.1	−2.9	−1.1
47	−3.6	1.3	−3.3	−3.3	−0.9
49	−3.0	1.7	−2.8	−3.1	−1.0
62	−2.9	0.9	−2.9	−3.4	−3.2
mean	−2.71	1.78	−2.09	−2.11	−0.46
SD	0.38	0.53	0.64	0.75	0.87