"Litmus paper" Quotes from Famous Books
 ... screen; trial, tentative method, tatonnement. verification, probation, experimentum crucis [Lat.], proof, (demonstration) 478; criterion, diagnostic, test, probe, crucial test, acid test, litmus test. crucible, reagent, check, touchstone, pix^; assay, ordeal; ring; litmus paper, curcuma paper^, turmeric paper; test tube; analytical instruments &c 633. empiricism, rule of thumb. feeler; trial balloon, pilot balloon, messenger balloon; pilot engine; scout; straw to show the wind. speculation, random shot, leap in the dark. analyzer, analyst, assayist^; adventurer; ...
— Roget's Thesaurus of English Words and Phrases: Body • Roget
... A piece of blue litmus paper moistened and moved over a sheet of tin foil will occasionally give an acid reaction, probably owing to the acid with which it is cleaned before beating not having been thoroughly removed. Foil held under the surface of distilled water and boiled for five minutes, then ...
— Tin Foil and Its Combinations for Filling Teeth • Henry L. Ambler
... matter diminished in every operation; and in the last process, though the battery had been kept in great activity for three days, the fluid possessed, in a very slight degree, only the power of acting on paper tinged with turmeric; but its alkaline property was very sensible to litmus paper slightly reddened, which is a much more delicate test; and after evaporation and the process by carbonate of ammonia, a barely perceptible quantity of fixed alkali was still left. The acid matter in the other tube was abundant; its taste was sour; it smelled like water over which large quantities ...
— A History of Science, Volume 4(of 5) • Henry Smith Williams
... chemical agents, acids incompletely removed, or the surplus of which has been saturated by an alkali, or by the help of alkaline substances. The change of the color to red indicates an acid substance; an alkali would turn the reddened litmus paper to blue, and the mauve and Georgina ...
— Disputed Handwriting • Jerome B. Lavay
... Calcutta. According to Pereira, it was at one time imported into England from the east of India under the name of gum arabic. It exists in the form of irregular, semitransparent pieces, of a brownish-red color. With water it forms a mucilage as adhesive as gum arabic, and this solution reddens litmus paper. It is dextrogyrous and is precipitated by the neutral acetate of lead and ...
— The Medicinal Plants of the Philippines • T. H. Pardo de Tavera
... throughout; the flesh is marbled, due to the presence of fat distributed among the muscular fibers; it will hardly moisten the finger when touched; it has no disagreeable odor and has a slightly acid reaction so that red litmus paper applied to it should ...
— The Home Medical Library, Volume V (of VI) • Various
... for all scionwood that I have yet discovered is in the use of peat moss. Peat moss must be on the distinctly acid side in order to perform the function of storing scionwood. Most peat moss is generally acid; however the simple litmus paper test with which every high school pupil is familiar, can be made. Having acquired good acid peat moss, dampen a sufficient quantity to pack the scions in to give them liberal protection. Do not make the ...
— Growing Nuts in the North • Carl Weschcke
... reserves the right to act alone and independently of the other two, but when it comes to a cut-throat game, they combine as readily as hydrogen and sulphur and oxygen; and, combined, they have the same effect on a proposition that sulphuric acid has on litmus paper. But this is all only a Jew's guess, of course. For myself, I have business with only one of the three, Wyker. He doesn't like my sheep, evidently, because he knows I keep track of his whisky selling in this town and keep the law forever hanging over him. But I've sworn under high heaven ...
— Winning the Wilderness • Margaret Hill McCarter
... Alkali in Water.—Take litmus paper dipped in vinegar, and if, on immersion, the paper returns to its true shade, the water does not contain earthy matter or alkali. If a few drops of syrup be added to a water containing an earthy ...
— Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 • Barkham Burroughs
... venom consists more than has already been described, we are not permitted to know. It dries under exposure to air in small scales, is soluble in water but not in alcohol, slightly reddens litmus paper, and long retains its noxious properties. It has no acrid or burning taste, and but little if any odor; the tongue pronounces it inoffensive, and the mucous surface of the alimentary track is proof against it, and it has been swallowed in considerable quantities without deleterious ...
— Scientific American Supplement, No. 421, January 26, 1884 • Various
... vessel. Metals of all kinds must be avoided, as they lead to a decomposition of the peroxide, and therefore a loss of material. To the bath so prepared just enough ammonia should be added to make it alkaline, a condition that may be ascertained by using a red litmus paper, which must just turn blue. Into the bath so prepared the well-scoured goods are entered and worked well, so that they become thoroughly saturated. They are then lightly wrung and exposed to the air for some hours, ...
— The Dyeing of Woollen Fabrics • Franklin Beech
... the sludge can find a resting place, it may be overcome by the neutralization of the water by carbonate of soda. Such neutralization should be carried to the point where the water will just turn red litmus paper blue. As a preventative of such action arising from the presence of the oil, only the highest grades of ...
— Steam, Its Generation and Use • Babcock & Wilcox Co.
... grams of the unground sample. Add 100 cc. of recently boiled water to the sample, place a sufficient quantity of recently boiled water in the outer flask and distil until the distillate is no longer acid to litmus paper. Usually 100 cc. of distillate will be collected. Titrate the distillate with N/10 alkali, using phenolphthalein as an indicator. Express the result as the number of cc. of N/10 alkali required to neutralize the acidity of ...
— All About Coffee • William H. Ukers |
