gar). From the resulting liquid can be
obtained lime acetate, potassium chloride, potassium iodide, acetone,
ethyl acetate (used as a solvent for guncotton) and algin, a
gelatin-like gum.

PRODUCTION OF POTASH IN THE UNITED STATES

__________________________________________________________________________
| |
| 1916 | 1917
Source | Tons K_{2}O | Per cent. | Tons K_{2}O | Per cent.
| | of total | | of total
| | production | | production
____________________|_____________|____________|_____________|____________
| | | |
Mineral sources: | | | |
Natural brines | 3,994 | 41.1 | 20,652 | 63.4
Altmite | 1,850 | 19.0 | 2,402 | 7.3
Dust from cement | | | |
mills | | | 1,621 | 5.0
Dust from blast | | | |
furnaces | | | 185 | 0.6
Organic Sources: | | | |
Kelp | 1,556 | 16.0 | 3,752 | 10.9
Molasses residue | | | |
from distillers | 1,845 | 19.0 | 2,846 | 8.8
Wood ashes | 412 | 4.2 | 621 | 1.9
Waste liquors | | | |
from beet-sugar | | | |
refineries | | | 369 | 1.1
Miscellaneous | | | |
industrial | | | |
wastes | 63 | .7 | 305 | 1.0
| ___________ | __________ | ___________ | __________
| | | |
Total | 9,720 | 100.0 | 32,573 | 100.0

--From U S. Bureau of Mines Report, 1918.

This table shows how inadequate was the reaction of the United States to
the war demand for potassium salts. The minimum yearly requirements of
the United States are estimated to be 250,000 tons of potash.

This c