Congo paper
Congo red Congo red (Chem.) An artificial red dye from which the Congo group received its name. It is also widely used either in aqueous solution or as test paper (

{Congo paper}) for the detection of free acid, which turns it blue. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

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  • Congo red — (Chem.) An artificial red dye from which the Congo group received its name. It is also widely used either in aqueous solution or as test paper ( {Congo paper}) for the detection of free acid, which turns it blue. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • Congo red — IUPAC name sodium sodium 3,3 ([1,1 biphenyl] 4,4 diyl)bis(4 aminonaphthalene 1 sulfonate) …   Wikipedia

  • Congo Free State Propaganda War — The Congo Free State Propaganda War (1884–1912) occurred during the era when European Imperialism was at its greatest height. Demand for oriental goods remained the driving force behind European imperialism, and (with the important exception of… …   Wikipedia

  • Congo (chimpanzee) — A painting by Congo. Congo (1954–1964) was a chimpanzee who learned how to draw and paint. Zoologist and surrealist painter Desmond Morris first observed his abilities when the chimp was offered a pencil and paper at two years of age. By the age… …   Wikipedia

  • congo — /kong goh/, n. congou. * * * Congo Congo:Geography Location: Western Africa, bordering the South Atlantic Ocean, between Angola and Gabon Map references: Africa Area: total area: 342,000 sq km land area: 341,500 sq km comparative area: slightly… …   Universalium

  • Congo — /kong goh/, n. 1. People s Republic of the, a republic in central Africa, W of the Democratic Republic of the Congo: formerly an overseas territory in French Equatorial Africa; now an independent member of the French Community. 2,583,198; 132,046 …   Universalium

  • Congo belge — 4°19′S 15°19′E / 4.317, 15.317 Congo belge Bel …   Wikipédia en Français

  • Congo red paper — filter paper wet with a 0.2 per cent solution of Congo red in water, dried, and cut in strips …   Medical dictionary

  • paper — 1. A substance manufactured in thin sheets from wood, rags, or other materials. 2. A square of p. folded over so as to form an envelope containing a dose of any medicinal powder. 3. A piece of blotting p. or filter p. impregnated with a medicinal …   Medical dictionary

  • Democratic Republic of the Congo — Not to be confused with the neighbouring Republic of the Congo. Coordinates: 2°52′48″S 23°39′22″E / 2.88°S 23.656°E / 2 …   Wikipedia

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