dichromate

American  

[dahy-kroh-meyt] / daɪˈkroʊ meɪt /

noun

1. Chemistry. a salt of the hypothetical acid H 2 Cr 2 O 7 , as potassium dichromate, K 2 Cr 2 O 7 .

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dichromate British  

/ daɪˈkrəʊmeɪt /

noun

1. Also called: bichromate.  any salt or ester of dichromic acid. Dichromate salts contain the ion Cr 2 O 7 ^2–

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Etymology

Origin of dichromate

First recorded in 1860–65; di- ¹ + chromate

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

It will be noticed that the oxidizing action of potassium dichromate leaves potassium sulphate and chromium sulphate as the products of the reaction.

From An Elementary Study of Chemistry by McPherson, William

Since the chromate changes into a dichromate in the presence of an acid, it will be sufficient to study the action of the dichromates alone.

From An Elementary Study of Chemistry by McPherson, William

On boiling it with copperas it becomes violet, while on boiling with potassium dichromate it changes to a yellowish brown.

From Scientific American Supplement, No. 363, December 16, 1882 by Various

This requires about one-half to three-quarters of an hour; 90 to 110 cc. of sodium dichromate solution is necessary.

From Organic Syntheses by Conant, James Bryant