The results show that the potassium bichromate plus nitric acid or glacial acetic acid has the best anti-corrosion effect.
采用硫化铵溶液进行防腐试验。结果表明， 重铬酸钾加硝酸或冰醋酸的处理方法有很好的抗腐蚀效果。
Aromatic dinitriles were prepared with excellent yields by refluxing the corresponding aromatic dialdehydes with hydroxylamine hydrochloride in 85% formic acid or glacial acetic acid.
芳香族二醛与羟胺盐酸盐在85%甲酸或冰醋酸中回流可制备相应的芳香族二腈。方法简便，产率高。
Aromatic dinitriles were prepared with excellent yields by refluxing the corresponding aromatic dialdehydes with hydroxylamine hydrochloride in 85% formic acid or glacial acetic acid.
芳香族二醛与羟胺盐酸盐在85%甲酸或冰醋酸中回流可制备相应的芳香族二腈。方法简便，产率高。
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