- red litmus paper
- красная лакмусовая реактивная бумага
Англо-русский строительный словарь. 2013.
red litmus paper
Смотреть что такое "red litmus paper" в других словарях:
litmus paper — n paper colored with litmus and used as an acid base indicator * * * bibulous paper impregnated with a solution of litmus, dried, and cut into strips. If slightly alkaline, the paper is blue and is used as a test for acids, which turn it red; if… … Medical dictionary
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… … The Collaborative International Dictionary of English
litmus paper — litmus ,paper noun uncount paper that contains litmus . If the paper touches an acid, it turns red, and if it touches an ALKALI, it turns blue … Usage of the words and phrases in modern English
litmus paper — UK / US noun [uncountable] chemistry paper that contains litmus. If the paper touches an acid, it turns red, and if it touches an alkali, it turns blue … English dictionary
litmus paper — A pH indicator paper. It turns red in acidic and blue in alkaline solutions … Glossary of Biotechnology
Litmus test (chemistry) — Litmus is a water soluble mixture of different dyes extracted from lichens, especially Roccella tinctoria . The mixture has CAS number 1393 92 6. It is often absorbed onto filter paper. The resulting piece of paper or solution with water becomes… … Wikipedia
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},… … The Collaborative International Dictionary of English
litmus — blue dye stuff obtained from certain lichens, early 14c., from M.Du. lijkmoes (Du. lakmoes), from lac (see LAC (Cf. lac)) + moes pulp. Another theory is that it represents O.N. litmose, lit. lichen for dying, from O.N. lita to dye, to stain, from … Etymology dictionary
litmus — /lit meuhs/, n. a blue coloring matter obtained from certain lichens, esp. Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution, red: widely used as a chemical indicator. [1495 1505; earlier lytmos < ON litmosi dye moss,… … Universalium
litmus — /ˈlɪtməs / (say litmuhs) noun a colouring substance obtained from certain lichens, especially Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution red; hence it is widely used as an indicator, especially in the form of… …
litmus — n. a dye obtained from lichens that is red under acid conditions and blue under alkaline conditions. Phrases and idioms: litmus paper a paper stained with litmus to be used as a test for acids or alkalis. Etymology: ME f. ONorw. litmosi f. ON… … Useful english dictionary
