V2EX calcium hydroxide

Calcium Hydroxide

定义 Definition

氢氧化钙(化学式 Ca(OH)),俗称熟石灰/消石灰,是一种白色粉末状的强碱性化合物,微溶于水,常用于建筑(石灰砂浆)、水处理、酸性土壤改良、制糖与实验室中调节 pH 等。(另有其他更专业用法与性质描述。)

发音 Pronunciation (IPA)

/klsim hadrksad/

例句 Examples

Calcium hydroxide is used to treat acidic soil.
氢氧化钙用于改良酸性土壤。

When calcium hydroxide is added to water, it creates an alkaline solution that can neutralize certain acids, though its solubility is limited.
将氢氧化钙加入水中会形成碱性溶液,可中和某些酸,但其溶解度有限。

词源 Etymology

calcium 来自拉丁语 calx(“石灰”),指与石灰石相关的元素“钙”;hydroxide 由 *hydro-*(“水”)与 oxide(“氧化物”)构成,用来表示含有 OH(氢氧根) 的化合物。因此 calcium hydroxide 字面义为“钙的氢氧化物”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • CRC Handbook of Chemistry and Physics(《CRC 化学与物理手册》):以物性数据形式收录并频繁提及 calcium hydroxide。
  • The Merck Index(《默克索引》):在化学品与药用/工业物质条目中收录该物质。
  • Vogel’s Textbook of Quantitative Chemical Analysis(《沃格尔定量化学分析》):在分析化学实验与试剂相关章节中出现该名词。
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