V2EX elution

Elution

Definition / 释义

洗脱(作用):在色谱等分离技术中,用溶剂(流动相)把吸附/结合在固定相上的物质冲洗下来并带出柱子的过程。

Pronunciation / 发音(IPA)

/lun/

Examples / 例句

The elution took five minutes.
洗脱过程用了五分钟。

After loading the sample, the technician optimized elution by switching to a gradient solvent system to separate closely related compounds.
上样后,技术员通过改用梯度溶剂体系来优化洗脱,从而分离结构非常相近的化合物。

Etymology / 词源

来自拉丁语 eluere,意为“洗掉、冲洗干净”(e- 表示“向外” + luere 表示“洗”)。在现代分析化学中引申为“用溶剂把被固定相留住的成分洗出来”。

Related Words / 相关词

Notable Works / 出处

  • Principles of Instrumental Analysis(Skoog 等):在色谱章节中频繁讨论 elution、洗脱曲线与保留行为。
  • Introduction to Modern Liquid Chromatography(Snyder & Kirkland):系统讲解液相色谱中的 elution(等度/梯度洗脱)与方法开发。
  • Molecular Cloning: A Laboratory Manual(Sambrook & Russell):在柱纯化、凝胶过滤等实验步骤中使用 elution 描述洗脱与收集洗脱液。
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