mercuric potassium iodide

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• Potassium tetraiodomercurate(II) — IUPAC name potassium tetraiodomercurate(II) Other names …   Wikipedia

• Potassium permanganate — Potassium permanganate …   Wikipedia

• potassium mercuric iodide — n a poisonous yellow crystalline salt K2HgI4 used as a disinfectant and as a chemical reagent …   Medical dictionary

• potassium mercuric iodide — noun : a poisonous yellow deliquescent crystalline complex salt K2HgI4 used as a disinfectant and as a chemical reagent; potassium tetra iodomercurate(II) see nessler s reagent …   Useful english dictionary

• Nessler's reagent — Neßler s reagent is a reagent named after Julius Neßler and is used to detect small amounts of ammonia. It is a 0.09 mol/L solution of potassium tetraiodomercurate(II) (K2 [HgI4] ) in 2.5 mol/L potassium hydroxide. A yellow coloration indicates… …   Wikipedia

• Reactivo de Mayer — Saltar a navegación, búsqueda El reactivo de Mayer se emplea para la caracterízación no específica de alcaloides. La mayoría de los alcaloides reaccionan dando un precipitado blanco o amarillo claro, amorfo o cristalino.[1] El precipitado (una… …   Wikipedia Español

• Reagent — A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances. * * * Any substance added to a solution of another substance to participate in a chemical reaction. [Mod. L. reagens] amino acid r. a r. used in… …   Medical dictionary

• iodine — /uy euh duyn , din/; in Chem. also /uy euh deen /, n. Chem. a nonmetallic halogen element occurring at ordinary temperatures as a grayish black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic …   Universalium

• Ethanol — For other uses, see Ethanol (disambiguation). Grain alcohol redirects here. It is not to be confused with Neutral grain spirit. Ethanol …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

• nessler's reagent — noun or nessler s solution ˈneslə(r)z Usage: usually capitalized N Etymology: after Julius Nessler : an alkaline solution of potassium mercuric iodide used in chemical analysis especially in a delicate test for ammonia in aqueous solution (as… …   Useful english dictionary