30 
Bulletin 72. 
TABLE XIV.—ANALYSIS OF ALKALI, INCRUSTATION. 
Analytical Per 
Results. Cent. 
Silicic Acid. 0.491 
Sulfuric Acid. 52.403 
Carbonic Acid. 0.730 
Chlorin. 2.004 
Sodic Oxid. 26.797 
Potassic Oxid. 0.048 
Calcic Oxid.'.. 3.050 
Magnesic Oxid. 8.951 
Ferric and Alu. Oxids. 0.030 
Manganic Oxid. 0129 
Ignition. 5 384 
Sum.100.017 
Oxygen Eq. to Chlorin. 0.451 
Total. 99.566 
. Per 
Combined. Cent. 
Calcic Sulfate. 7.404 
Magnesic Sulfate. 26.859 
Potassic Sulfate. 0.088 
Sodic Sulfate..*. 53.450 
Sodic Chlorid. 3.307 
Sodic Carbonate. 1,760 
Sodic Silicate. 0.997 
Ferric and Alu. Oxids. 0.030 
Manganic Oxid. 0.129 
Ignition. 5.384 
Sum. 99 408 
Excess Sodic Oxid. 0.157 
Total. 99.565 
TA BLE XV.—ANALYSIS WATER-SOLUBLE, SOIL C, FIRST TWO INCHES. 
Analytical 
Per 
Per 
Results. 
Cent. 
Combined. 
Cent. 
Silicic Acid. 
1.084 
Calcic Sulfate. 
. 43.260 
Sulfuric Acid. 
48.826 
Magnesic Sulfate. 
. 24 260 
Phosphoric Acid. 
None 
Potassic Sulfate. 
. 2.475 
Carbonic Acid. 
0 385 
Sodic Sulfate. 
. 10.789 
Chlorin. 
4.321 
Sodic Chlorid. 
. 7.128 
Potassic Oxid. 
1338 
Sodic Carbonate. 
. 0 928 
Sodic Oxid. 
10.190 
Sodic Silicate. 
. 2 202 
Calcic Oxid. 
17 826 
Ferric and Alu. Oxids. . 
Magnesic Oxid. 
8.080 
Manganic Oxid. 
. 0342 
Ferric and Alu. Oxids. 
Ignition. 
. 8.281 
Manganic Oxid.. 
0 342 
Sum. 
. 99.665 
Ignition. 
8.281 
Excess Sodic Oxid. 
. 0.031 
Sum. 
100.673 
Total. 
. 99.696 
Oxygen Equivalent to Chlorin 
0 973 
Total. 
99.700 
The percentage of water-soluble equalled 2.0541. 
TABLE XVI.—ANALYSIS WATER-SOL., SOILC, SECOND TWO INCHES. 
Analytical 
Per 
Per 
Residts. 
Cent. 
Combined 
Cent. 
Silicic Acid. 
9.095 
Calcic Sulfate. 
. 50.917 
Sulfuric Acid. 
34.832 
Magnesic Sulfate. 
. 3.197 
Phosphoric Acid. 
0.522 
Potassic Sulfate. 
. 6.016 
Carbonic Acid. 
5.558 
Magnesic Phosphate. ... 
.... 0.963 
Chlorin. . 
2.663 
Magnesic Chlorid....... 
. 3.565 
Potassic Oxid. 
3.252 
Magnesic Carbonate.... 
. 8.646 
Sodic Oxid. 
8.778 
Sodic Carbonate. 
. 2.490 
Calcic Oxid. 
20.981 
Sodic Silicate. 
.... 14.418 
Magnesic Oxid. 
7.131 
Ferric and Alu. Oxids. . 
. 0.898 
Ferric and Alu. Oxids. 
0.878 
Manganic Oxid. 
. 0.245 
Manganic Oxid. 
0.245 
Ignition. 
. 6.996 
Ignition. 
6.996 
Sum. 
. 98.351 
Sum. 
100.951 
Excess of Silicic Acid.. . 
.... 1.998 
Oxygen Equivalent to Chlorin 
0.600 
Total. 
.100.349 
Total. 
100.351 
, 
The percentage of water-soluble equalled 0.813. 
