发明授权
US3953263A Process for preventing the formation of nitrogen monoxide in treatment of metals with nitric acid or mixed acid 失效
防止在用硝酸或混合酸处理金属时形成一氧化氮的方法

Process for preventing the formation of nitrogen monoxide in treatment
of metals with nitric acid or mixed acid
摘要:
The formation of nitrogen monoxide in treatment of metals with nitric acid or a mixed acid can be prevented by adding at least one of ammonium peroxodisulfate and hydrogen peroxide to nitric acid or a mixed acid consisting mainly of nitric acid and sulfuric acid.
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