V2EX ammonium

Ammonium

定义 Definition

ammonium;指带正电的离子 NH,常由氨(NH)在水溶液中接受一个质子(H)形成。铵盐广泛用于化肥、清洁剂与工业化学品中。

发音 Pronunciation (IPA)

/monim/

例句 Examples

Ammonium is found in many fertilizers.
铵存在于许多化肥中。

When ammonia dissolves in water, it can form ammonium ions that affect the solution’s pH.
当氨溶于水时,会形成铵离子,从而影响溶液的酸碱度(pH)。

词源 Etymology

ammonium 来自 ammonia(氨) 的拉丁化形式,历史上与“sal ammoniac(氯化铵)”有关;而 ammoniac 这一名称据说与古代北非地区(靠近神庙/地区名 Ammon)出产或贸易的相关盐类有关。现代化学中,ammonium 专指 NH 这一带正电的离子。

相关词 Related Words

文学作品 Literary Works

  • Primo Levi《The Periodic Table》(《元素周期表》)(以化学为主题的散文/回忆录中常涉及含氮化合物与化学盐类,可能出现 ammonium 等术语)
  • Isaac Asimov《Asimov’s New Guide to Science》(《阿西莫夫最新科学指南》)(科普写作中讨论氮循环、化学盐类与相关离子时常出现 ammonium
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