1022 
Journal of Agricultural Research 
Vol. XXX, No. 11 
Table I .—Reaction changes in representative salt solutions 
Time 
H2SO4 
HCl 
HNOs 
50 per 
cent 
H3PO4 
H3BO3 
KCl 
BaCl 2 
m 
§ 
O 
§ 
ft 
1 
O 
s 
s 
0 
0 
1 
O 
1 
& 
5 
| 
« 
2 
U 
1 
« 
§ 
O 
Initial. 
After 30 see. 
After 1 min. 
After 2 min. 
After 3 min. 
After 5 min.. 
After 10 min. 
After 15 min. 
After 20 min. 
After 30 min. 
After 1 hr. 
After 2 hrs. 
After 15 hrs. 
After 40 hrs. .. 
Ph 
3.0 
3.1 
3.1 
3.2 
3.2 
3.3 
4!(1 
4.7 
5.1 
5.4 
5.6 
5.8 
5.9 
Ph 
3.0 
3.0 
3.0 
3.1 
3.1 
3.1 
3.1 
3.1 
3.1 
3.2 
3.3 
3.4 
3.7 
3.9 
Ph 
3.0 
3.1 
3.3 
3.5 
3.6 
4.0 
4.6 
4.9 
5.2 
5.5 
5.7 
5.8 
5.9 
5.8 
Ph 
3.0 
3.0 
3.1 
3.2 
3.2 
3.2 
3.3 
3.4 
3.4 
3.4 
3.4 
3.9 
3.9 
4.1 
Ph 
3.0 
3.0 
3.1 
3.2 
3.3 
3.5 
3.6 
3.8 
3.9 
4.0 
4.6 
5.4 
5.8 
5.8 
Ph 
3.0 
3.0 
3.0 
3.1 
3.1 
3.1 
3.2 
3.3 
3.3 
3.3 
3.3 
3.4 
3.8 
3.9 
Ph 
3.0 
3.1 
3.5 
4.4 
4.5 
4.7 
5.2 
5.7 
5.7 
5.8 
5.9 
5.9 
5.9 
5.9 
Ph 
3.0 
3.0 
3.0 
3.1 
3.1 
3.1 
3.2 
3.2 
3.5 
3.7 
4.5 
4.4 
4.2 
4.1 
Ph 
5.5 
5.7 
5.9 
6.0 
6.2 
6.3 
6.4 
6.6 
6.5 
6.5 
6.4 
6.2 
6.1 
5.9 
Ph 
5.5 
5.4 
5.3 
5.3 
5.3 
5.2 
5.1 
5.1 
4.9 
4.7 
4.6 
4.3 
4.2 
4.1 
Ph 
6.7 
6.6 
6.5 
6.5 
6.5 
6.3 
6.2 
6.2 
6.1 
5.9 
5.6 
5.7 
5.5 
5.4 
Ph 
6.7 
6.4 
6.1 
5.2 
4.9 
4.6 
4.1 
4.0 
4.0 
3.9 
4.0 
3.9 
3.9 
3.9 
Ph 
5.9 
5.9 
5.9 
5.9 
5.9 
5.9 
5.9 
5.9 
5.9 
5.9 
5.9 
5.7 
5.5 
5.4 
Ph 
5.9 
5.8 
5.6 
5.5 
5.4 
5.3 
5.2 
5.0 
4.6 
4.3 
4.1 
4.1 
4.1 
4.1 
Table III .—Reaction changes in representative organic acids 
Bibasic 
acid 
Hydroxy acids 
Fatty acids 
Amino 
acid 
Aromatic 
acid 
I 
Time 
Oxalic 
Citric 
Lactic 
Formic 
Acetic 
Asparagin 
Benzoic 
fl 
a 
a 
a 
a 
a 
Cl 
p 
a 
8 
8 
s 
s 
§ 
s 
8 
0 
8 
$ 
O 
pp 
O 
m 
D 
m 
0 
m 
0 
« 
0 
n 
O 
pq 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Ph 
Initial...,. 
2.9 
2.9 
2.9 
2.9 
3.0 
3.0 
2.9 
2.9 
2.9 
2.9 
3.7 
3.7 
3.2 
3.2 
A fter 30 sec. 
2.9 
3.0 
2.9 
2.9 
3.0 
3.0 
2.9 
3.0 
2.9 
2.9 
3.7 
3.7 
3.3 
3.5 
After 1 min. 
3.0 
3.1 
3.0 
3.0 
3.0 
3.1 
3.0 
3.1 
2.9 
2.9 
3.7 
3.7 
3.5 
3.7 
After 2 min. 
3.1 
3.2 
3.0 
3.1 
3.1 
3.1 
3.1 
3.2 
2.8 
2.8 
3.7 
3.8 
3.6 
3.7 
After 3 min.. 
3.1 
3.4 
3.0 
3.1 
3.1 
3.1 
3.1 
3.4 
2.9 
2.8 
3.8 
3.8 
3.6 
3.7 
After 5 min. 
3.3 
3.9 
3.0 
3.2 
3.1 
3.2 
3.2 
3.6 
3.0 
3.0 
3.8 
3.8 
3.6 
3.9 
After 10 min. 
3.6 
4.2 
4.5 
3.0 
3.1 
3.3 
3.7 
3.1 
3.6 
3.3 
3.5 
4.4 
4.7 
3.0 
3.0 
3.0 
3.9 
3.9 
3.8 
3.8 
3.7 
3 7 
4.3 
After20min. ... 
3! 8 
4! 8 
3! 1 
3^9 
£1 
4.0 
3! 5 
4! 9 
3i0 
3.1 
3.9 
3.9 
3.’6 
4! 6 
After 30 min. 
! 3.9 
5.1 
3.1 
4.2 
3.1 
4.2 
3.6 
5.4 
3.1 
3.3 
4.1 
4.0 
3.7 
4.8 
After 1 hr. 
4.0 
5.4 
3.2 
4.6 
3.3 
4.5 
3.9 
5.5 
3.1 
3.5 
4.1 
4.4 
3.9 
5.2 
After 2 hrs. 
1 4.0 
5.6 
3.5 
4.9 
4.0 
5.5 
4.1 
5.8 
3.1 
3.7 
4.2 
5.3 
3.9 
5.5 
After 15 hrs. 
I 4 ' 1 
5.8 
3.9 
5.7 
4.1 
5.8 
4.1 
5.9 
3.4 
4.2 
4.1 
5.8 
4.0 
5.8 
