chromate
IPA: krˈoʊmeɪt
noun
- (inorganic chemistry) any salt of chromic acid; in solution the yellow chromate anion (CrO₄²⁻) is in equilibrium with the orange dichromate anion (Cr₂O₇²⁻), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents
verb
- To treat with a chromate solution
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Examples of "chromate" in Sentences
- Under this name chromate of cadmium was introduced some few years back.
- The remaining 73.5 c.c. of "chromate" required by the assay, are equivalent to 0.7497 gram of lead.
- However, this knowledge didn't stop us from using lead chromate labeled as chrome yellow to color custard through the 19th century.
- A drop of mercury in a solution of potassium chromate and sulfuric acid, set so it's almost touching an iron nail, will start to beat like a heart.
- To create his trademark pale golds, Van Gogh mixed the bright yellow lead chromate pigment with the white lead sulphate, creating a combination that was subtler than the pure yellow but susceptible to a reaction that creates viridian, a darker shade of spring green.
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