136 SUR UNE RELATION ENTRE LES 
10 grammes de sel sur 100 gr. d'eau. 
a... 14°... 0.00090 A. a... 129.5... 0.00080 A. eee 
0.00090 X 700 = 0.630 V. 0.00080 X 700 = 0,560 V. 
0.630 X 1.35 = 0.847 Volt. 0.560 X 1.43 = 0.801 Volt. 
12°.75... 0.000851 A. 
0.00081 X 700 = 0.567 V. 
0.567 X 1.45 = 0.818 Volt. 
f: 
0.847 + 0.025. .. 0.000625 
80i— 21... 444 
818 — An. 16 
2.466 > f =0! 001082 
3 = 3.2 
AV = 0.822 Volt. 0.000361 
Spe = é 
ga = + 0.009 V. 
0.6745 [7 -: 
Cu Cl, + 2 Aq. 
VASE N°. 31. VASE N°. 32. VASE N°. 33. 
d=5 mM. d =4.92 mM. d=45 mM. 
m = 0.503 „ m=0.391 „ m = 0.395 „ 
Coe Seen 0 OO SPAN . 249,5... 0.00165 A. a... 249... 0.00161 A. 
Resistance introduite: 400 Ohm. 
0.00118 X 400 = 0.472 V. 0.00165 X 400 = 0.660 V. 
Réduction à d= 4 mM., 
0.00161 X 400 = 0.644 V. 
m = 0.400 ve 
Me sa 4 391 395 
042% = X (Ga) 0.660 rop X a7) 0.664 x (FP 
= 0.472 X 1.26 = 0.595 Volt. = 0.660 X 0.8 = 0.528 Volt. = ae x 0.87 = 0.560 Volt. 
f? 
0.595 + 0.034... 0.001156 
528— 33... 1089 
560— 1 1 
1.683 
AV= 0. 361. Volt. 
 f? =0.002246 
0.000374 
Fz 
0.6745 |“ (at = + 0.018 V. 
10 grammes de sel sur 100 gr. 
VASE N°. 32. 
0.00104 A. RE 
0.00104 X 400 = 0.416 V. 
0.416 x 0.8 = 0.333 Volt. 
VASE N°. 31. 
@... 12°... 0:00076 A; ela 
0.00076 X 400 = 0.304 V. 
0.304 X 1.26 = 0.383 Volt. 
Go 
0.383 + 0.032... 
.333— 18... 
338 — 13 
1.054 
3 
AV = 0.351 Volt. 
0.675, — 
=f 
32 
d'eau. 
VASE NC. 33. 
15°. . 0.00097 A. 
0.00997 X 400 = 0.388 V. 
0.388 X 0.87 = 0.388 Volt. 
f: 
0.001024 
324 
169 
sf=0. 001517 
3.2 
0.000253 
= + 0.011 V. 
