V2EX ebullioscopy

Ebullioscopy

定义 Definition

沸点测定法;沸点升高法(用于分子量测定):一种通过测量溶液沸点相对纯溶剂的升高来研究溶液性质、并常用于测定溶质摩尔质量的实验方法(基于沸点升高这一依数性)。在更广义上也可指“通过沸腾/沸点来进行测量与分析”的方法。

发音 Pronunciation

/bliskpi/

例句 Examples

Ebullioscopy can be used to estimate the molar mass of a solute.
沸点测定法可用于估算溶质的摩尔质量。

Using ebullioscopy, the chemist determined the boiling-point elevation and calculated the compound’s molecular weight under controlled pressure.
化学家通过沸点测定法测出沸点升高,并在控压条件下计算了该化合物的分子量。

词源 Etymology

ebullioscopy 来自拉丁语系词根:ebullition(“沸腾”,源于拉丁语 ebullire,意为“向外沸涌”)+ -scopy(“观察、测量”,源于希腊语 skopein,意为“观看、审视”)。整体字面含义即“通过沸腾/沸点进行观察与测量”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Vogel’s Textbook of Practical Organic Chemistry(实验有机化学经典教材;在物性测定与溶液性质相关章节中常涉及该术语)
  • Daniels and Alberty: Physical Chemistry(物理化学教材;在依数性、沸点升高与分子量测定相关内容中出现)
  • Journal of Chemical Education(《化学教育期刊》;多篇实验教学与物理化学实验文章会使用或讨论 ebullioscopy
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