mercuric red

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• mercuric oxide — n either of two forms of a slightly water soluble crystalline poisonous compound HgO: a) a yellow finely divided powder obtained usu. by precipitation from solutions of mercuric chloride and sodium hydroxide and used in antiseptic ointments b) a… …   Medical dictionary

• Red mercury — is a substance of debatable existence purportedly used in the creation of nuclear bombs, as well as a variety of unrelated weapons systems. Samples obtained from arrested would be terrorists invariably consisted of nothing more than various red… …   Wikipedia

• mercuric iodide — n a red crystalline poisonous salt HgI2 which becomes yellow when heated above 126°C (259°F) and has been used as a topical antiseptic …   Medical dictionary

• mercuric oxide — n. a poisonous, red powder, HgO, used as an oxidizing agent and a chemical reagent and in the manufacture of pigment, cosmetics, batteries, etc …   English World dictionary

• mercuric iodide —    Red, tetragonal crystals, turns yellow when heated to 150°C. Used in medicine and analytical reagents (Nessler’s reagent and Mayer’s reagent) …   Forensic science glossary

• mercuric oxide — noun : a slightly water soluble crystalline poisonous compound HgO known in two forms (1) a yellow finely divided powder obtained usually by precipitation from solutions of mercury chloride (sense b) and sodium hydroxide and used chiefly in… …   Useful english dictionary

• Red precipitate — Precipitate Pre*cip i*tate, n. [NL. praecipitatum: cf. F. pr[ e]cipit[ e].] (Chem.) An insoluble substance separated from a solution in a concrete state by the action of some reagent added to the solution, or of some force, such as heat or cold.… …   The Collaborative International Dictionary of English

• mercuric sulfide — noun : an insoluble compound HgS occurring in nature as the red mineral cinnabar and the black mineral metacinnabar and also made synthetically in red and black forms called also mercury(II) sulfide; see vermilion 1a * * * Chem. a crystalline,… …   Useful english dictionary

• mercuric oxide — Chem. a slightly crystalline, water soluble, poisonous compound, HgO, occurring as a coarse, orange red powder (red mercuric oxide) or as a fine, orange yellow powder (yellow mercuric oxide): used chiefly as a pigment in paints and as an… …   Universalium

• red mercuric oxide — gyvsidabrio(II) oksidas statusas T sritis chemija formulė HgO atitikmenys: angl. yellow mercury oxide; mercuric oxide; mercury(II) oxide; red mercuric oxide rus. ртути окись; ртути(II) оксид …   Chemijos terminų aiškinamasis žodynas

• mercuric sulfide — Chem. a crystalline, water insoluble, poisonous compound, HgS, occurring as a coarse, black powder (black mercuric sulfide) or as a fine, bright scarlet powder (red mercuric sulfide): used chiefly as a pigment and as a source of the free metal.… …   Universalium