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单词 Platinic oxide
释义

Platinic oxide

中文百科

二氧化铂 Adams's catalyst

(重定向自Platinic oxide)

二氧化铂也称亚当斯催化剂氧化铂,通常以一水合物的形式存在,是有机合成中氢化和氢解反应的催化剂,深褐色[粉末。加热超过650℃时分解为金属铂和氧气。二氧化铂自身无催化活性,但遇氢气后,可转变为有催化活性的铂黑。

英语百科

Adams's catalyst 二氧化铂

(重定向自Platinic oxide)

Adams's catalyst, also known as platinum dioxide, is usually represented as platinum(IV) oxide hydrate, PtO2•H2O. It is a catalyst for hydrogenation and hydrogenolysis in organic synthesis. This dark brown powder is commercially available. The oxide itself is not an active catalyst, but it becomes active after exposure to hydrogen whereupon it converts to platinum black, which is responsible for reactions.

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更新时间:2025/6/18 13:59:17