134 
Journal of Agricultural Research 
Vol. VII, No. 3 
Table) VIII .—Results of titrations of ground ( 200-mesh sieve) soil with various bases 
II 
si?8 
a 73 
S’ 8 
rt <u 
£3 
Soil No. 
uantity of soil. 
s 
1 
Base. 
T eight of OH. 
H per gram of soil. 
ime of titration. 
riginal OH-ion coi 
tration (gram mole 
OH per liter). 
H-ion' concentratio 
approximate neutr 
(gram molecules 
per liter). 
ase added beyond 
tral point (weigh 
OH). 
H per gram soil. 
ime of titration. 
inal OH-ion conce 
tion (gram mole* 
OH per liter). 
£ 
& 
0 
O 
ffl 
O 
U 
ft 
Gm. 
C.c. 
Gm. 
Gm. 
Hrs. 
Gm. 
Gm. 
Hr. 
is-- 
$o 
Calcium hy- 
droxid. 
.do. 
0.00038 
0.00076 
i *5 
0.9X10-® 
0.8Xio -7 
0.00006 
0. 00012 
3 
1.9X10- 7 
is.. 
10.0 
SO 
.00798 
.00079 
2.0 
.9X10- 10 
2.oXio -7 
.00088 
.00009 
96 
2.9X10- 7 
IS-- 
IS*. 
50 
50 
.do. 
3.9X10 10 
3.6X10 -10 
“.00211 
°. 00207 
a .00211 
a .00207 
26 
26 
. 9X10- 4 
2.2X10- 4 
1*0 
Sodium hy¬ 
droxid. 
15.. 
So 
Calcium hy- 
.00163 
.00081 
2.1X10-10 
4-3X10-8 
rwiT/i 
* 
2. 7X10- 7 
droxid. 
IS-. 
2.0 
SO 
Sodium hy- 
.00131 
.00065 
24.0 
1.5X10-10 
. 7X10- 7 
.00026 
.00013 
27 
2.4X10- 7 
droxid. 
15.. 
S-o 
So 
Calcium hy- 
.00429 
.00085 
6.0 
.7X10-10 
.9X10- 7 
.00029 
.00006 
50 
1. iXio -7 
droxid. 
is- ■ 
5 -o 
50 
Sodium hy- 
. 00350 
.00070 
3 -o 
4.2X10-11 
i.iXio " 7 
.00052 
• 00010 
27 
1.2X10- 7 
droxid. 
16.. 
5 -o 
So 
.do. 
.00560 
.00112 
20.0 
.6X10-® 
.6X10- 7 
.00105 
. 00021 
42 
1. 7X10- 7 
16.. 
1.0 
So 
Calcium hy- 
.00103 
.00103 
24.0 
2.0X10-0 
.6X10- 7 
.00340 
. 00340 
48 
4.2X10- 5 
droxid. 
16.. 
1.0 
So 
Barium hy- 
.00099 
.00099 
o -5 
i.oXio -9 
i.gXio” 7 
.00280 
. 00280 
30 
3-8X10“* 
droxid. 
16.. 
1.0 
SO 
Sodium hy- 
.00105 
.00105 
3 -o 
2.0X10-® 
1.5X10- 7 
. 00263 
. 00263 
30 
4.2X10- 5 
droxid. 
16.. 
1.0 
So 
Potassium hy¬ 
droxid. 
1.9X10-® 
00324 
°. 00324 
5.7X10- 5 
17.. 
1-0 
So 
Calcium hy- 
. 00088 
.00088 
2*5 
5.8X10-10 
1.9X10- 7 
. 00474 
. 00474 
30 
. 7X10- 4 
droxid. 
. 0006b 
17.. 
1.0 
So 
Barium hy- 
.00066 
I-S 
6.3X10-10 
1. 7X10- 7 
.00406 
.00406 
30 
.9X10- 4 
droxid. 
17.. 
5 - 0 
So 
Calcium hy- 
.00650 
. 00130 
1.0 
2.0X10-10 
.8X10- 7 
.00800 
.00160 
22 
1.3X10- 3 
droxid. 
17.. 
S*o 
So 
Sodium hy- 
.00438 
.00087 
4-0 
2. 2X10”!0 
. 8Xio“ 7 
.00526 
.00105 
no 
1.7X10- 6 
droxid. 
19.. 
2.0 
So 
Calcium hy- 
. 00306 
.00153 
7.0 
.9X10-® 
.9Xio~ 7 
. OIOIO 
.00505 
3 P 
4.2X10-8 
droxid. 
19.. 
2.0 
SO 
Barium hy- 
.00330 
.00165 
21.0 
.9X10“® 
.8X10- 7 
. 00858 
. 00429 
30 
3-sXio-® 
droxid. 
19. . 
2.0 
So 
Sodium hy- 
. 00207 
.00103 
7.0 
.7XlO-® 
1.0X10 -7 
.00350 
•00175 
30 
4. iXio -5 
droxid. 
19.. 
2.0 
So 
Potassium hy- 
.00198 
.00099 
24.0 
I.3X1O-® 
. 7X10- 7 
. 00524 
. 00262 
30 
3.8X10- 5 
droxid. 
20.. 
2.0 
So 
Calcium hy- 
.00118 
.00059 
4.0 
5 . 8 X 10-10 
5.9X10-8 
.00446 
.00223 
28 
4.8X10-8 
droxid. 
20.. 
2.0 
So 
Sodium hy- 
. 00091 
.00045 
3-5 
6.3X10-IO 
. 7X10- 7 
. 00249 
.00125 
28 
3.1X10-8 
droxid. 
a Includes base added to neutralize acid. 
Table IX .—Removal of calcium from solution of calcium hydroxid by soils 
Experiment No. 
Soil 
No. 
Weight 
of soil. 
Water. 
Calcium 
added. 
Calcium 
recovered 
in solu¬ 
tion. 
Calcium removed 
from solution. 
Gm. 
C.c. 
Gm. 
Gm. 
Gm. 
P. ct. 
I. 
17 
20 
5 ° 
O 
O. 0003 
t 
1 7 
20 
50 
•0055 
. 0007 
O. 0048 
87 
3 . 
17 
20 
50 
•0137 
. OO23 
. 0114 
83 
4 . 
17 
20 
50 
. 0192 
•0053 
•0139 
73 
5 . 
17 
20 
5 ° 
. 0220 
. 0067 
*0153 
70 
6. 
17 
20 
So 
. 0247 
. 0089 
. 0158 
64 
20 
20 
50 
. 0003 
/. 
8... 
20 
20 
50 
. 0022 
. 0003 
. 0019 
86 
9 . 
20 
20 
5 o 
. 0038 
. 0003 
•0035 
92 
10. 
20 
20 
50 
■ 0055 
. 0005 
. 0050 
9 i 
11. 
20 
20 
„ So 
. 0066 
. 0005 
. 0061 
92 
20 
20 
50 
. 0082 
. 0009 
. 0073 
89 
