V2EX oxoanion

Oxoanion

Definition / 释义

oxoanion(含氧阴离子):指由氧与另一元素(常为非金属或过渡金属)组成、整体带负电荷的阴离子,通常可看作某种含氧酸(oxoacid)失去一个或多个质子后形成的离子,例如 nitrate(NO,硝酸根)sulfate(SO,硫酸根)。在无机化学与环境化学中非常常见。

Pronunciation / 发音

/kson.a.n/

Examples / 例句

Nitrate is an oxoanion found in many fertilizers.
硝酸根是一种常见于许多化肥中的含氧阴离子。

In aqueous solution, the speciation of an oxoanion can depend strongly on pH and redox conditions.
在水溶液中,含氧阴离子的存在形态会强烈依赖于 pH 值和氧化还原条件。

Etymology / 词源

oxo- 来自化学命名中表示“含氧/氧代”的构词成分(与 oxygen, oxide 同源概念),anion 源自希腊语 anion(“向上走的”),在电解语境中指“向阳极迁移的离子”,即阴离子。两者合成 oxoanion,字面即“含氧的阴离子”。

Related Words / 相关词

Literary Works / 文学与著作示例

  • *IUPAC Compendium of Chemical Terminology (the “Gold Book”)*(IUPAC《化学术语汇编》,“金书”):在无机与命名学条目中讨论含氧阴/阳离子与相关术语。
  • Inorganic Chemistry(Housecroft & Sharpe,《无机化学》):在酸碱、配位化学与含氧酸盐章节中大量出现并使用 oxoanion 概念。
  • Chemistry of the Elements(Greenwood & Earnshaw,《元素化学》):在各族元素化学中常用 oxoanion 描述硫酸根、硝酸根、磷酸根等体系。
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