释义 |
sodium dichromate
sodium dichromaten. A poisonous solid chiefly prepared as the red-orange crystalline dihydrate, Na2Cr2O7·2H2O, used as an oxidizing agent.sodium dichromate n (Elements & Compounds) a soluble crystalline solid compound, usually obtained as red or orange crystals and used as an oxidizing agent, corrosion inhibitor, and mordant. Formula Na2Cr2O7. Also called (not in technical usage): sodium bichromate so′dium dichro′mate n. a red or orange, crystalline, water-soluble solid, Na2Cr2O7∙2H2O, used as an oxidizing agent in the manufacture of dyes and inks and in electroplating. [1900–05] ThesaurusNoun | 1. | sodium dichromate - a red-orange salt used as a mordantsodium bichromatemordant - a substance used to treat leather or other materials before dyeing; aids in dyeing processsalt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal) |
sodium dichromate
sodium dichromate[′sōd·ē·əm dī′krō‚māt] (inorganic chemistry) Na2Cr2O7·2H2O Poisonous, red to orange deliquescent crystals; soluble in water, insoluble in alcohol; melts at 320°C; loses water of hydration upon prolonged heating at 105°C; used as a chemical intermediate and corrosion inhibitor and in the manufacture of pigments, leather tanning, and electroplating. Also known as bichromate of soda; sodium acid chromate; sodium bichromate. sodium dichromate Related to sodium dichromate: chromic acidSynonyms for sodium dichromatenoun a red-orange salt used as a mordantSynonymsRelated Words |