- murexide
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/myoo rek"suyd, -sid/, n. Chem.a reddish-purple, crystalline, sparingly water-soluble solid, C8H8N6O6, having a green luster, formerly used as a dye. Also called ammonium purpurate.[1830-40; MUREX + -IDE]
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Universalium. 2010.
murexide
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Murexide — IUPAC name Ammonium 2,6 dioxo 5 [(2,4,6 trioxo 5 hexahydropyrimidinylidene)amino] 3H pyrimidin 4 olate … Wikipedia
Murexide — Mu*rex ide, n. [L. murex the purple fish, purple.] (Chem.) A crystalline nitrogenous substance ({C8H8N6O6}, 5 5 nitrilodibarbituric acid monoammonium salt) having a splendid dichroism, being green by reflected light and garnet red by transmitted… … The Collaborative International Dictionary of English
murexide — (mu rè ksi d ) s. m. Terme de chimie. Purpurate d ammoniaque. ÉTYMOLOGIE Lat. murex, pourpre. SUPPLÉMENT AU DICTIONNAIRE MUREXIDE. Ajoutez : • C est en 1856 que l on trouva pour la première fois dans le commerce un rouge amarantin très… … Dictionnaire de la Langue Française d'Émile Littré
murexide — The ammonium salt of purpuric acid, formerly used as a dye but superseded by the aniline colors. * * * mu·rex·ide myu̇ rek .sīd n a red crystalline compound C8H8N6O6 having a green luster, forming purple red solutions with water, formerly used as … Medical dictionary
murexide test — n a reaction giving rise to murexide when uric acid or a related compound is heated with nitric acid and the product is treated with ammonia called also murexide reaction … Medical dictionary
murexide reaction — noun or murexide test : a reaction giving rise to murexide when uric acid or a related compound is heated with nitric acid and the product is treated with ammonia … Useful english dictionary
murexide test — noun see murexide reaction * * * Biochem. a test in which treatment of a substance, usually urine, with nitric acid and ammonia indicates the presence of uric acid by formation of murexide … Useful english dictionary
murexide test — Biochem. a test in which treatment of a substance, usually urine, with nitric acid and ammonia indicates the presence of uric acid by formation of murexide. * * * … Universalium
murexide — noun Ammonium purpurate, the ammonium salt of purpuric acid, used as a complexometric indicator and a colorimetric reagent … Wiktionary
murexide — n. crystalline nitrogenous substance appearing green by reflected light and garnet red by transmitted light that was formerly used as a dye (Chemistry) … English contemporary dictionary
