V2EX eluent

Eluent

Definition(释义)

(色谱等分离技术中)洗脱剂/洗脱液:用于把样品组分从固定相上“洗脱”下来并带出系统的溶剂或流动相。

Pronunciation(发音)

/ilunt/

Examples(例句)

The technician changed the eluent to improve separation.
技术员更换了洗脱剂以改善分离效果。

By switching from a watermethanol eluent to a gradient eluent, the lab achieved faster elution of lateretaining compounds while maintaining resolution.
通过把水-甲醇的等度洗脱液改为梯度洗脱液,实验室在保持分辨率的同时,使保留较晚的化合物更快洗脱出来。

Etymology(词源)

eluent 来自拉丁语词根 eluere(意为“洗出、冲洗”),与英语动词 elute(洗脱)同源;在分析化学中专指“用来洗脱的溶剂/流动相”。

Related Words(相关词汇)

Literary Works(文学/著作中的用例)

  • Principles of Instrumental Analysis(Skoog 等):在液相色谱章节讨论洗脱条件与 eluent 选择。
  • Introduction to Modern Liquid Chromatography(Snyder & Kirkland):多处使用 eluent 说明溶剂强度、梯度洗脱等概念。
  • Quantitative Chemical Analysis(Harris):在色谱分离与方法开发部分提到 eluent 的组成对保留时间的影响。
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