noun, noun or participle which takes 'suru'
pickling; acid cleaning
Technical term for removing surface impurities from metal by soaking in an acidic solution. Used as a noun or with する.
鋼材の表面を酸洗してからメッキ処理を行う。
After pickling the surface of the steel, plating is performed.
酸洗工程では
In the pickling process, hydrochloric acid or sulfuric acid is often used.