chromate
/'kroumit/
Definition
- Noun:
- Any salt or ester of chromic acid: A chemical compound containing the chromate anion (CrO₄²⁻), typically characterized by a yellow color and used in various industrial applications.
Usage
- As a chemical term: Used to describe specific inorganic compounds in chemistry, materials science, and industrial processes.
- Lead chromate is a pigment historically used in yellow paints.
- The wastewater was tested for chromate contamination.
Advanced Usage
- "Chromate conversion coating": A type of chemical treatment applied to metals like aluminum or zinc to provide corrosion resistance and serve as a paint primer.
- The aluminum parts underwent a chromate conversion coating process.
Variants and Related Words
- Dichromate (n): A salt containing the dichromate anion (Cr₂O₇²⁻), such as potassium dichromate.
- Chromium (n): The metallic element (Cr) from which chromates are derived.
- Chromic acid (n): The acid (H₂CrO₄) from which chromate salts are formed.
Synonyms
- Chromate salt: A more descriptive synonym.
- Chromate ester: Refers specifically to the organic esters of chromic acid.
Related Phrases
- Chromate ion: The anionic group (CrO₄²⁻) itself.
- Chromate pigment: A pigment containing chromate compounds.
Noun
-
any salt or ester of chromic acid
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