用10%过氧化氢—5%醋酸—15%醋酸铵浸取上述残渣,可浸取溶解硫化态铅;
Soluble lead sulfide can be extracted from the residue by 10% hydrogen peroxide, 15% ammonium acetate and 5% acetyl hydrate.
在醋酸、聚乙二醇存在下,蒽与硝酸铈铵和溴酸钠反应生成1-硝基蒽醌。
In the presence of acetic acid and polyethylene glycol, anthracene reacts with ceric ammonium nitrate and sodium bromate to form 1-nitroanthraquinone.
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。
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。
The results show that the potassium bichromate plus nitric acid or glacial acetic acid has the best anti-corrosion effect.
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