 ... weaker solution, and this is especially true during hot weather and when the animals are to be treated every two weeks. In preparing the dip a large caldron or galvanized tank is required for heating the water in which to dissolve the chemicals. Thirty...  Quarterly Bulletin of Department of Agriculture - Side 341915Uten tilgangsbegrensning - Om denne boken
 | United States. Bureau of Animal Industry - 1909 - 696 sider
...dip is desired, 25 pounds of sodium carbonate and 10 pounds of arsenic trioxid may be used in place of the amounts given in the above formula. The stronger...When this is accomplished, the required amount of arsenic is added and dissolved in a similar manner. The fire is then drawn, and the solution permitted... | |
 | Joseph A. Arnold - 1910 - 802 sider
...gallons of water should be placed in the caldron or tank and brought to a boil. The sodium carbonate is then added and dissolved by stirring. When this is accomplished, the arsenic is added and dissolved in a similar manner. The fire is then drawn and the pine tar added slowly... | |
 | United States. Department of Agriculture - 1910 - 814 sider
...gallons of water should be placed in the caldron or tank and brought to a boil. The sodium carbonate is then added and dissolved by stirring. When this is accomplished, the arsenic is added and dissolved in a similar manner. The fire is then drawn and the pine tar added slowly... | |
 | Liberty Hyde Bailey - 1911 - 624 sider
...gallons of water should be placed in the caldron or tank and brought to a boil. The sodium carbonate is then added and dissolved by stirring. When this is accomplished, the arsenic is added and dissolved in a similar manner. The fire is then drawn and the pine tar added slowly... | |
 | U.S DEPARTMENT OF AGRICULTURE - 1912 - 768 sider
...or galvanized tank is required for heating the water in which to dissolve the chemicals. Twentyfive gallons of water should be placed in the caldron or...When this is accomplished, the required amount of arsenic is added and dissolved in a similar manner. The fire is then drawn, and the solution permitted... | |
 | United States. Bureau of Animal Industry - 1912 - 744 sider
...or galvanized tank is required for heating the water in which to dissolve the chemicals. Twentyfive gallons of water should be placed in the caldron or...When this is accomplished, the required amount of arsenic is added and dissolved in a similar manner. The fire is then drawn, and the solution permitted... | |
 | William Brodbeck Herms - 1915 - 424 sider
...or galvanized tank is required for heating the water in which to dissolve the chemicals. Twenty-five gallons of water should be placed in the caldron or...When this is accomplished, the required amount of arsenic is added and dissolved in a similar manner. The fire is then drawn, and the solution permitted... | |
 | 1911 - 56 sider
...gallons of water should be placed in the caldron or tank and brought to a boil. The sodium carbonate is then added and dissolved by stirring. When this is accomplished, the arsenic is added and dissolved in a similar manner. The fire is then drawn and the pine tar added slowly... | |
 | 1918 - 856 sider
...or galvanized tank is required for heating the water in which to dissolve the chemicals. Twentyfive gallons of water should be placed in- the caldron...When this is accomplished, the required amount of arsenic is added and dissolved in a similar manner. The fire is then drawn, and the solution permitted... | |
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