"Chemical analysis" Quotes from Famous Books
 ... likeness between all these bodies is obvious from the fact that when any of them is strongly heated, or allowed to putrefy, it gives off the same sort of disagreeable smell; and careful chemical analysis has shown that they are, in fact, all composed of the elements carbon, hydrogen, oxygen, and nitrogen, combined in very nearly the same proportions. Indeed, charcoal, which is impure carbon, might be ...
— A Book of Natural History - Young Folks' Library Volume XIV. • Various
... remarks[671] that white men "born in the torrid zone walk barefoot with impunity in the same apartment where a European, recently landed, is exposed to the attacks of the Pulex penetrans." This insect, the too well-known chigoe, must therefore be able to distinguish what the most delicate chemical analysis fails to distinguish, namely, a difference between the blood or tissues of a European and those of a white man born in the country. But the discernment of the chigoe is not so surprising as it at first ...
— The Variation of Animals and Plants Under Domestication, Volume II (of 2) • Charles Darwin
... just so similar as two draughtsmen hastily copying from a common model would make them. The doctor was unnerved: he hurried homeward, and immediately submitted the honey on the papyrus to a rigorous chemical analysis: he suspected poison—a subtle poison—as the means of a suicide, grotesquely, insanely accomplished. He found the fluid to be perfectly innocuous,—pure honey, ...
— Prince Zaleski • M.P. Shiel
... investigation. Spectrum analysis may be shortly described as a mode of distinguishing the various species of matter by the kind of light proceeding from each. This definition at once explains how it is that, unlike every other system of chemical analysis, it has proved available in astronomy. Light, so far as quality is concerned, ignores distance. No intrinsic change, that we yet know of, is produced in it by a journey from the farthest bounds of the visible universe; so that, provided only that in quantity it remain sufficient ...
— A Popular History of Astronomy During the Nineteenth Century - Fourth Edition • Agnes M. (Agnes Mary) Clerke
... said I, "but you must recollect I am now speaking of practical agriculture. If I wanted to raise a good crop of cabbage, I should not think of consulting a chemical analysis of the cabbage. If I set out cabbage on an acre of land, which, without manure, would produce 16 tons of cabbage, does any one mean to tell me that if I put the amount of nitrogen, phosphoric acid and potash which ...
— Talks on Manures • Joseph Harris |
