sodium dichromate

American  

[soh-dee-uhm dahy-kroh-meyt] / ˈsoʊ di əm daɪˈkroʊ meɪt /

Also sodium bichromate

noun

Chemistry.

1. 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.

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sodium dichromate British  

noun

1. Also called (not in technical usage): sodium bichromate.  a soluble crystalline solid compound, usually obtained as red or orange crystals and used as an oxidizing agent, corrosion inhibitor, and mordant. Formula Na 2 Cr 2 O 7

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Etymology

Origin of sodium dichromate

First recorded in 1900–05

Example Sentences

A lawsuit filed by Houston Lawyer Mike Doyle on behalf of 159 veterans says KBR exposed service members to sodium dichromate, which caused respiratory ailments.

From Washington Times • Sep. 2, 2015

At first a greenish-black precipitate forms, but upon further addition of the sodium dichromate solution, the color changes to yellowish green.

From Organic Syntheses by Conant, James Bryant

In all 540 g. of sodium dichromate are added, the addition taking one to two hours.

From Organic Syntheses by Conant, James Bryant

The mixture is cooled to 0'0, and 330 g. of sodium dichromate are added in powdered form, the temperature being kept below 5'0 at all times.

From Organic Syntheses by Conant, James Bryant

The amount of solid sodium dichromate given is for the dry crystalline compound containing two molecules of water of crystallization.

From Organic Syntheses by Conant, James Bryant