Table VIII 
Leaching Action of Distilled Water During Longer Periods 
Medium 
Dist. water. . . 
Dist. water. . . 
Dist. water, . . 
Potomac water 
Potomac water 
Potomac water 
Dist. water. . . 
Dist. water. . . 
Dist. water. . . 
Potomac water 
Potomac water 
Potomac water 
KCl. ikf/i,ooo 
Dist. water. . . 
Dist. water. . . 
Dist. water. . . 
Potomac water 
Potomac water 
Potomac water 
KCl. ikf/i,ooo 
Dist. water. . . 
Dist. water. . . 
Dist. water. . . 
Potomac water 
Potomac water 
Potomac water 
KCl. Ml 1, 000 
Dist. water. . . , 
Dist. water. . . 
Dist. water. . . 
Potomac water 
Potomac water 
Potomac water 
KCl. ikr/i,ooo 
Dist. water. . . 
Dist. water. . . 
Dist. water. . . 
Potomac water 
Potomac water 
Potomac water 
KCl. ilf/i,ooo 
Dist. water. . . 
Dist. water. . . 
Dist. water. , . 
Potomac water 
Potomac water 
Potomac water 
KCl. M/i,ooo 
Number of plants used 
4 (ist set) 
ID (ist set) 
o 
4 (ist set) 
10 (ist set) 
o 
4 (2d set) 
10 (2d set) 
o 
4 (2d set) 
lo (2d set) 
o 
4 (3d set) 
10 (3d set) 
o 
4 (3d set) 
10 (3d set) 
o 
4 (4th set) 
10 (4th set) 
o 
4 (4th set) 
10 (4th set) 
o 
4 (5th set) 
10 (5th set) 
o 
4 (5th set) 
10 (5th set) 
o 
4 (6th set) 
10 (6th set) 
o 
4 (6th set) 
10 (6th set) 
o 
4 (7th set) 
10 (7th set) 
o 
4 (7th set) 
10 (7th set) 
o 
rowth 72 hours. 
Electrical conductivity 
mm. 
X 10-^ 
13.0 
2.08 
12.0 
3-85 
0.87^ 
25.0 
30-3 
26.0 
24.1 
37.02 
9.0 
2.94 
6.94 
0.86 
26.0 
23.8 
21.5 
15-9 
33-3 
40.0 ? 
9-5 
3-85 
12.0 
8.00 
0.97 
23.0 
22.2 
21.0 
12.2 
34-5 
10.5 
476 
12.5 
9-05 
1. 12 
25-5 
19.6 
20.5 
8.7 
35.7 
45-4 
II. 7 
546 
13-5 
9.80 
1.22 
26.5 
17-5 
24.4 
9-5 
37.0 
4-S.6 
lO.O 
6.41 
II. 0 
II.4 
1.37 
21.7 
15.0 
17.7 
4-31 
37-0 
45.6 
18.5 
74 
17,0 
12.9 
1.61 
46.0 
13-5 
27.0 
4-65 
384 
454 
2 Determinations made at the beginning of the experiment, representing original 
conductivity of these waters. 
