alcoholic potassium hydroxide

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• Total Acid Number — The Total Acid Number is the amount of potassium hydroxide in milligrams that is needed to neutralize the acids in one gram of oil. It is an important quality measurement of crude oil. The TAN value indicates to the crude oil refinery the… …   Wikipedia

• Carbylamine reaction — The Carbylamine reaction is a chemical test for detection of primary amines. In this reaction, the analyte is heated with alcoholic potassium hydroxide and chloroform. If a primary amine is present, the isocyanide is formed.For example, the… …   Wikipedia

• lophine — ˈlōˌfēn, fə̇n, ˈlä noun ( s) Etymology: probably from French, from loph + ine : a crystalline nitrogenous base (C6H5)3C3HN2 that emits light when a solution of it in warm alcoholic potassium hydroxide absorbs oxygen; 2, 4, 5 triphenyl imidazole …   Useful english dictionary

• stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …   Medical dictionary

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• 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

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