V2EX nonelectrolyte

Nonelectrolyte

Definition / 定义

nonelectrolyte(名词):非电解质;指溶于水或熔融时不电离成离子、因此不能导电(或导电性极弱)的物质。常见例子有蔗糖、乙醇、尿素等。(在某些条件下会发生反应生成离子的物质不一定仍属非电解质,需结合具体体系判断。)

Pronunciation / 发音

/nnlktrlat/

Examples / 例句

Sugar is a nonelectrolyte in water.
糖在水中是非电解质。

Although ethanol dissolves easily in water, it remains a nonelectrolyte and does not significantly increase the solution’s conductivity.
虽然乙醇很容易溶于水,但它仍是非电解质,不会明显提高溶液的导电性。

Etymology / 词源

由 **non-**(“不、非”)+ electrolyte(“电解质”)构成。Electrolyte 源自 **electro-**(与“电”有关)+ -lyte(来自希腊语 lyein “使分解、使松开”,引申为“在电作用下分解/电解”)。因此 nonelectrolyte 字面意思就是“不是电解质的物质”。

Related Words / 相关词

Literary Works / 文学作品

  • Atkins’ Physical Chemistry(物理化学教材中常用于区分电解质/非电解质溶液行为)
  • General Chemistry(如综合化学教材章节:溶液与导电性、离子与电离)
  • *IUPAC Compendium of Chemical Terminology (the “Gold Book”)*(术语性权威资料中涉及电解质与相关概念)
  • CRC Handbook of Chemistry and Physics(手册类资料中常在溶液性质、导电率等条目出现相关用语)
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