"Phosphoric acid" Quotes from Famous Books
 ... makes it desirable to use this acid as a solvent, and experiments made with this end in view have shown that in cold, dilute hydrochloric acid solution, to which considerable quantities of manganous sulphate and an excess of phosphoric acid have been added, it is possible ...
— An Introductory Course of Quantitative Chemical Analysis - With Explanatory Notes • Henry P. Talbot
... usual, appears to give weight to this opinion. Though any good fertilizer is good for cabbage, yet I prefer those compounded on the basis of an analysis of the composition of the plants; they should contain the three ingredients, nitrogen, potash, and phosphoric acid, in the proportion of six, seven, five, taking them in the order in which ...
— Cabbages and Cauliflowers: How to Grow Them • James John Howard Gregory
... promotes the general chemical activities of the soil. It also puts the soil in the best physical condition for the comfort and well-being of the plants. Very many of the lands that are said to be exhausted of plant-food still contain enough potash, phosphoric acid, and lime, and other fertilizing elements, to produce good crops; but they have been greatly injured in their physical condition by long-continued cropping, injudicious tillage, and the withholding of vegetable matter. A part of the marked ...
— Manual of Gardening (Second Edition) • L. H. Bailey
... taken for spinning nitrocellulose are of little practical account (21) and (22). The same conclusion also applies to the process of Langhans, who proposes to spin solutions of cellulose in sulphuric acid (23) (24) and mixtures of sulphuric acid and phosphoric acid. ...
— Researches on Cellulose - 1895-1900 • C. F. Cross
... mention that the Himmalaya chain does not abound in volcanic rocks, like the chains of Central and Southern India; and that the soils, which are formed from its detritus, contain, in consequence, less phosphoric acid, and is less adapted to the growth of that numerous class of plants which cannot live without phosphates. The volcanic rocks form a plateaux upon the sandstone, of almost all the hills of Central and Southern India; and the soil, ...
— A Journey through the Kingdom of Oude, Volumes I & II • William Sleeman
... phosphorus. These would be useless or fatal to plant life in the elemental form, but fixed in neutral salt they are essential plant foods. A ton of wheat takes away from the soil about 47 pounds of nitrogen, 18 pounds of phosphoric acid and 12 pounds of potash. If then the farmer does not restore this much to his field every year he is drawing upon his capital and this must lead to bankruptcy in ...
— Creative Chemistry - Descriptive of Recent Achievements in the Chemical Industries • Edwin E. Slosson |
