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sodium dichromate

or sodium bichromate

[soh-dee-uh m dahy-kroh-meyt or soh-dee-uh m bahy-kroh-meyt] /ˈsoʊ di əm daɪˈkroʊ meɪt or ˈsoʊ di əm baɪˈkroʊ meɪt/
noun, Chemistry.
a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
Origin of sodium dichromate
First recorded in 1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for sodium dichromate
Historical Examples
  • A stream of sulphur dioxide gas is passed through a solution of sodium dichromate until reduction is complete.

    Animal Proteins Hugh Garner Bennett
British Dictionary definitions for sodium dichromate

sodium dichromate

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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