pickling
Definition
Chemical metal cleaning process in which a strong inorganic acid (typically hydrochloric or sulfuric acid) is used at about 80°C to strip the surface of dirt, oil, rust, and scale. Usually, a small amount of citric acid is also added to the acid-water solution to serve as a buffering agent that retards metal etching.
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pickling is in the Industries, Manufacturing, & Technology subject.
pickling appears in the definition of the following term: brine
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