"Litmus" Quotes from Famous Books
 ... dilute acid, such as acetic, sulphuric, or nitric acid, and then lightly touched to the tongue, it will taste sour. But the best test of an acid is by sight rather than by taste, because it has been found that an acid is able to discolor a plant substance called litmus. If paper is soaked in a litmus solution until it acquires the characteristic blue hue of the plant substance, and is then dried thoroughly, it can be used to detect acids, because if it comes in contact with ...
— General Science • Bertha M. Clark
... earth! You might think from the river winding through our town that we are malarial, but, no, sir! Repeated experiments made both by the Government and local experts show that our air contains nothing deleterious—nothing but ozone, sir, pure ozone. Litmus paper tests made all along the river show—but you can read it all in the prospectuses; or the Santonian will recite it for ...
— Rolling Stones • O. Henry
... or not acids were used to erase, if moistened litmus-paper be applied to the writing, the litmus-paper will become slightly red if there is any acid remaining on the suspected document. If the suspected spots be treated with distilled water, or alcohol, as ...
— Disputed Handwriting • Jerome B. Lavay
... for about ten hours. The mixture now is a thick paste composed of small shot-like grains suspended in an almost colorless liquid. It is cooled in a freezing mixture and then either centrifuged or filtered on a large Buchner funnel, washed with water until the washings are neutral to litmus, and finally washed with 200 cc. of alcohol, which has previously been cooled to 0'0. After thorough drying in the air, the crude product weighs about 880 g. (yield 97 per cent of the theoretical amount) ...
— Organic Syntheses • James Bryant Conant
... TEST. To tell what things are bases and what are acids, a piece of paper dyed with litmus is ordinarily used. Litmus is made from a plant (lichen). This paper is called litmus paper. Try the following ...
— Common Science • Carleton W. Washburne
... 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, but must not be allowed to get dry, because only so long ...
— The Dyeing of Woollen Fabrics • Franklin Beech |
