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chromic acid

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chromic acid /chro·mic ac·id/ the common name for chromium trioxide (CrO3), although the term strictly refers to the species H2CrO4, which exists only in aqueous solution. It is a highly toxic, corrosive, strong oxidizing agent.
chromic acid [kro´mik]
1. a dibasic acid, H2CrO4; its salts are called chromates.
2. chromium trioxide.

chromic acid
1. a dibasic acid, H2CrO4; its salts are called chromates.
2. chromium trioxide.


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Industrial uses of hexavalent chromium compounds include chromate pigments in dyes, paints, inks, and plastics; chromates added as anticorrosive agents to paints, primers, and other surface coatings; and chromic acid electroplated onto metal parts to provide a decorative or protective coating.
For bright chrome a solution of sulphuric acid and chromic acid is used and for black chrome, chromic acid with acetic acid and barium acetate.
 
 
 
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