dichromate

[dahy-kroh-meyt]

noun

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

dichromate

/ daɪˈkrəʊmeɪt /

noun

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

Word History and Origins

Origin of dichromate¹

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

Example Sentences

The contamination was first detected more than a decade ago, and officials traced it to potassium dichromate used to prevent corrosion inside cooling towers at Los Alamos lab's power plant.

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More than 100 soldiers have sued KBR for exposing them to cancer-causing toxins after the plant was contaminated with sodium dichromate, a chemical used to fight corrosion.

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“These plaintiffs were not exposed to dangerous amounts of sodium dichromate and did not suffer any damages as a result of anything KBR did or did not do,” Harrison said.

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Vowing revenge, Bond, a laboratory technician, stole the chemical 10-chloro-10H phenoxarsine from the company where she worked and purchased potassium dichromate on Amazon.com.

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Perkin isolated a derivative called allyl-toluidine, then tried to transform it into quinine by oxidizing it in a mixture with potassium dichromate and sulfuric acid.

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