Definition of Litmus paper. Meaning of Litmus paper. Synonyms of Litmus paper

Here you will find one or more explanations in English for the word Litmus paper. Also in the bottom left of the page several parts of wikipedia pages related to the word Litmus paper and, of course, Litmus paper synonyms and on the right images related to the word Litmus paper.

Definition of Litmus paper

Litmus paper
Litmus Lit"mus, n. [D. lakmoes; lak lacker + moes a thick preparation of fruit, pap, prob. akin to E. meat: cf. G. lackmus. See Lac a resinous substance.] (Chem.) A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc.), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain coloring matters related to orcin and orcein. Note: Litmus is used as a dye, and being turned red by acids and restored to its blue color by alkalies, is a common indicator or test for acidity and alkalinity. Litmus paper (Chem.), unsized paper saturated with blue or red litmus, -- used in testing for acids or alkalies.

Meaning of Litmus paper from wikipedia

- onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity. In an acidic medium, blue litmus paper turns red...
- construction paper, paper yarn, and paper clothing For other uses: emery paper, blotting paper, litmus paper, universal indicator paper, paper chromatography...
- can taste bitter and change the color of pH indicators (e.g., turn red litmus paper blue). In water, by altering the autoionization equilibrium, bases yield...
- and a base solution. Dipping red litmus paper in the red solution will turn it blue, while dipping blue litmus paper in the blue solution will turn it...
- tinctoria. These strips are used similarly to litmus strips, however filter paper is usually used for litmus strips, generally to allow for the property...
- litmus paper. A small sample of soil is mixed with distilled water, into which a strip of litmus paper is inserted. If the soil is acidic the paper turns...
- conjunctivitis, while more severe burns may cause the cornea to turn white. Litmus paper may be used to test for chemical causes. When a chemical cause has been...
- developed by a chemical reaction may depend on an acid-base reaction (like litmus paper), reactions similar to the blueprint process, or any of hundreds of others...
- Effervescence of a brown, pungent gas is observed which turns moist blue litmus paper red. Here sulfuric acid reacts with the nitrate ion to form nitric acid...
- from the tube with a syringe. This fluid is then tested with pH paper (note not litmus paper) to determine the acidity of the fluid. If the pH is 4 or below...