chromate
chromate
Definition
chro·mate (krō′māt′)
noun
- a salt of chromic acid, containing the divalent, negative radical CrO
- an uncharged ester of this acid
Etymology: chrom(ium) + -ate
chromate
Usage Examples
Adjective modifier
- lead: In 1979 the Color Company abandoned the site, leaving many of the buildings heavily contaminated with lead chromate.
Modifies a noun
- ion: The yellow band is due to negative chromate ions, CrO 4 2- - , moving toward the positive electrode.
- inhibitor: For example, chlorinated biocides are less toxic than brominated biocides; and polyphosphate and organophosphate inhibitors are less toxic than chromate corrosion inhibitors.
Noun used with modifier
- zinc: What is the role of zinc chromate as a pigment in a priming paint for steels?
- lead: The XRF signal was saturated by the pigment lead chromate.
- potassium: Boiled with solution of potassium chromate and sulphuric acid, it evolves an odor of benzaldehyde.
- copper: A ' line ' of copper chromate solution is placed in the middle of the paper and the current switched on.
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