Bulletin - Bureau of Chemistry, Issues 20-29U.S. Government Printing Office, 1889 |
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Page 43
... samples of cane analyzed about the 20th of that month were taken from the crop standing in the fields . Such samples were stripped and topped by hand . All of the other samples were drawn from cane which was cleaned by machinery . They ...
... samples of cane analyzed about the 20th of that month were taken from the crop standing in the fields . Such samples were stripped and topped by hand . All of the other samples were drawn from cane which was cleaned by machinery . They ...
Page 76
... samples of cane was taken for the purpose of determining the condition of the still outstanding crop . Samples Nos . 382 and 388 gave the highest result of the season . An- other sample , No. 383 , from a field which the cane grower ...
... samples of cane was taken for the purpose of determining the condition of the still outstanding crop . Samples Nos . 382 and 388 gave the highest result of the season . An- other sample , No. 383 , from a field which the cane grower ...
Page 79
... samples dried for five hours at 100 ° C. The samples were weighed from a tared flask , about 2 grams being taken in each instance . Duplicates were always made . The use of asbestus as an absorbent agent in drying was also tested . A ...
... samples dried for five hours at 100 ° C. The samples were weighed from a tared flask , about 2 grams being taken in each instance . Duplicates were always made . The use of asbestus as an absorbent agent in drying was also tested . A ...
Page 80
... samples of the masse cuites were taken from the mixer , and the samples of molasses taken from time to time from the storage tanks and barrels give the average composition of this product for the season . The purity of the molasses from ...
... samples of the masse cuites were taken from the mixer , and the samples of molasses taken from time to time from the storage tanks and barrels give the average composition of this product for the season . The purity of the molasses from ...
Page 112
... samples of Honduras seed were named " Honey cane , ' " Broom cane , " " Silver top ; " samples of Chinese cane seed were re- ceived as " New sugar cane , " and " Sorghum saccharatum . " It will be seen in the following analyses that ...
... samples of Honduras seed were named " Honey cane , ' " Broom cane , " " Silver top ; " samples of Chinese cane seed were re- ceived as " New sugar cane , " and " Sorghum saccharatum . " It will be seen in the following analyses that ...
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acre adulteration Agriculture alcohol alkali amount analyses apparatus average beets boiling Brix butter cane carbonate cells cent chemical chemists clarified contained Conway Springs crop cubic centimeters cultivation culture determination diffusion battery diffusion juice dilution distillation Early Amber Early Orange ether evaporation exhausted chips Experiment Station extraction factory fertilizers filter flask Glucose grams grown heated improved inches inversion Kansas kilograms Kjeldahl method lime loss manufacture manure massecuite means method milk mill juice molasses nitrate nitric acid nitrogen normal juice obtained October percentage phosphoric acid plant plots plowing polariscope potash pounds produced pulp purity quantity roots samples saponification season Second sugar seed selection Sept September sirup soda soil solution sorghum specific gravity substance sucrose sugar-beet sugar-house sulphuric acid superphosphate temperature tion tons Total solids tube varieties volatile acids washing weight Wiley yield
Popular passages
Page 77 - ... artificial, with experiments designed to test their comparative effects on crops of different kinds; the adaptation and value of grasses and forage plants; the composition and digestibility of the different kinds of food for domestic animals; the scientific and economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the agricultural industry of the United States as may in each case be deemed advisable, having due regard...
Page 76 - AN ACT To establish agricultural experiment stations In connection with the colleges established In the several States under the provisions of an act approved July second, eighteen hundred and sixty-two, and of the acts supplementary thereto...
Page 77 - That it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals; the diseases to which they are severally subject, with...
Page 220 - ... avoiding the useless saturation of the caustic potash solution. When the flow of carbonic acid has very nearly or completely ceased, pass the delivery tube down into the receiving arm, so that the bubbles will escape into the azotometer. Light the jets under the...
Page 7 - Report on the culture of the sugar beet and the manufacture of sugar therefrom in France and the United States.
Page 42 - This fat will not usually be clear; this however, will make no difference in the result, as the subsequent treatment will clarify it. As soon as the bottles have been sufficiently whirled, they should be filled to the neck with hot water. This is most conveniently done by placing a vessel containing boiling water above the machine, and by means of a syphon, made from a small rubber tube with a glass tip, run the water directly into the bottles without removing them from the wheel.
Page 72 - Vilmorin is manufactured in connection with other varieties it is the custom to reserve this for the end of the season and to work up the less reliable beets at an earlier date. It is also said to resist better than any other variety the unfavorable influence of certain characters of soil and of certain manures. In black soils, rich in organic matter, it will give great industrial results, while most other varieties of beets become watery or saline in excess.
Page 222 - If the mixture froth badly, a small piece of paraffin may be added to prevent it. The heat is then raised until the acid boils briskly. No further attention is required till the contents of the flask have become a clear liquid, which is colorless, or at least has only a very pale straw color.
Page 42 - An even number of bottles should be whirled at the same time, and they should be placed in the wheel in pairs opposite to each other, so that the equilibrium of the apparatus will not be disturbed. When all of the test bottles are placed in the apparatus, the cover is placed upon the...
Page 44 - ... reading can easily be taken to half divisions or to one-tenth per cent. If the column of fat is less than about one division, as will sometimes happen with skimmilk, buttermilk or whey it may assume a globular form instead of a uniform layer across the tube; when this occurs the fat can usually be estimated with sufficient accuracy by simple inspection, but if an accurate reading is desired it may be obtained by taking four samples of the milk in four test bottles, and after treating them in...