搜索 - 科创

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醛（或者α-羟基酮）在碱性环境中可将Ag+还原成Ag（银镜反应），新制的Cu(OH)2还原成Cu2O，这是众所周知的反应。为了防止在碱性环境中Ag+生成AgOH或者Ag2O沉淀，银镜反应常用银氨溶液，...

联合国禁毒公约管制的22种易制毒化学品中，硫酸和盐酸也列入易制毒化学品，我国参照联合国禁毒公约，将硫酸和盐酸列入第三类易制毒化学品进行管制。对于第三类易制毒化学品，虽然个人可以使用现金购买，但除了个人...

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