V2EX iodide

Iodide

定义 Definition

Iodide 是化学术语,指碘化物,即碘(iodine)与另一种元素或基团结合形成的化合物,或指碘离子(I)。常见的碘化物有碘化钾(potassium iodide)和碘化钠(sodium iodide)。

发音 Pronunciation

/a..dad/

例句 Examples

Potassium iodide is commonly added to table salt to prevent iodine deficiency.
碘化钾通常被添加到食盐中,以预防碘缺乏症。

After the nuclear accident, the government distributed iodide tablets to residents living near the plant as a protective measure against radioactive exposure.
核事故发生后,政府向核电站附近的居民分发了碘化物药片,作为防止放射性暴露的保护措施。

词源 Etymology

Iodide 源自法语 iode(碘),而 iode 又来自希腊语 ioeidēs,意为"紫色的"(由 ion "紫罗兰" + eidos "形态"构成),因为碘蒸气呈紫色。后缀 -ide 是化学术语中表示化合物的通用后缀,通常用于指代带负电荷的离子或二元化合物。该词于19世纪初随着碘元素的发现而产生。

相关词汇 Related Words

文学与科学作品引用 Notable Works

  • 在 Tom Clancy 的小说《The Sum of All Fears》中,碘化钾(potassium iodide)作为核辐射防护措施被提及,反映了碘化物在核安全领域的重要角色。
  • Oliver Sacks 在其科普著作《Uncle Tungsten: Memories of a Chemical Boyhood》中回忆了童年时期对化学元素的探索,其中涉及碘及碘化物的实验描写。
  • 在化学史经典文献中,法国化学家 Bernard Courtois 于1811年首次从海藻灰中发现碘,碘化物的研究由此展开,相关记录见于多部化学史著作。
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