chromate

American  

[kroh-meyt] / ˈkroʊ meɪt /

noun

1. a salt of chromic acid, as potassium chromate, K 2 CrO 4 .

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chromate British  

/ ˈkrəʊˌmeɪt /

noun

1. any salt or ester of chromic acid. Simple chromate salts contain the divalent ion, CrO 4 ^2– , and are orange

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chromate Scientific  

/ krō′māt′ /

1. A chemical compound containing the group CrO ₄.

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Etymology

Origin of chromate

First recorded in 1810–20; chrom(ic acid) + -ate ²

Example Sentences

Especially notorious is lead chromate mixed in with cinnamon to achieve a bright colour or bulk out the powders.

From BBC

The lead-to-chromium ratio found in the factory is consistent with lead chromate, a compound that has been previously reported as a contaminant in certain spices, officials said.

From Seattle Times

For most of his turmeric trading career, Sheikh engaged in an open secret: While processing raw turmeric to powder, he added a chemical called lead chromate to get the tubers to glow yellow.

From Salon

He said that this does not mean there is no danger, noting that "if somebody were to drink water that was heavily contaminated with lead chromate, for example, they could have symptomatic consequential lead poisoning."

From Salon

A further cause of lead poisoning is the use of lead compounds, such as lead oxide and lead chromate, as a food additive to make spices appear more vivid in colour.

From The Guardian