"Litmus paper" Quotes from Famous Books
 ... of the urine of cattle varies from 1,030 to 1,060 in health, water being 1,000. It is transparent, with a yellowish tinge, and has a characteristic, musky smell. The chemical reaction is alkaline, turning red litmus paper blue. The quantity passed in twenty-four hours varies greatly, increasing not only with the water drunk, but with the albuminoids taken in with the feed and the urea produced. If a solution of urea is injected into the veins the secretion of urine ...
— Special Report on Diseases of Cattle • U.S. Department of Agriculture
... thoroughly, it can be used to detect acids, because if it comes in contact with even the minutest trace of acid, it loses its blue color and assumes a red tint. Hence, in order to detect the presence of acid in a substance, one has merely to put some of the substance on blue litmus paper, and note whether or not the latter changes color. This test shows that many of our common foods contain some acid; for example, fruit, ...
— General Science • Bertha M. Clark
... important one, I will give the evidence. The secretion of many glands on thirty leaves, which had not been in any way excited, was tested with litmus paper; and the secretion of twenty-two of these leaves did not in the least affect the colour, whereas that of eight caused an exceedingly feeble and sometimes doubtful tinge of red. Two other old leaves, however, which appeared to have been inflected several times, acted much more decidedly on the ...
— Insectivorous Plants • Charles Darwin
... doorbell. Doctor Whack. He ought to physic himself a bit. Electuary or emulsion. The first fellow that picked an herb to cure himself had a bit of pluck. Simples. Want to be careful. Enough stuff here to chloroform you. Test: turns blue litmus paper red. Chloroform. Overdose of laudanum. Sleeping draughts. Lovephiltres. Paragoric poppysyrup bad for cough. Clogs the pores or the phlegm. Poisons the only cures. Remedy where you least expect it. Clever ...
— Ulysses • James Joyce
... in ammonia. It is, therefore, necessary to precipitate the zinc in a nearly neutral solution, which is more accurately obtained by adding a drop of a litmus solution to the liquid than by the use of litmus paper.] ...
— An Introductory Course of Quantitative Chemical Analysis - With Explanatory Notes • Henry P. Talbot |
