V2EX chromatography

Chromatography

释义 Definition

色谱法;色谱分析:一种将混合物中的成分按其在固定相与流动相之间的分配差异而分离、鉴定或纯化的分析技术。(常见类型有气相色谱、液相色谱等。)

发音 Pronunciation (IPA)

/kromtrfi/

例句 Examples

Chromatography helps separate the pigments in a leaf.
色谱法可以分离叶子中的色素。

Using high-performance liquid chromatography, the lab identified trace contaminants in the water sample with high accuracy.
实验室使用高效液相色谱法(HPLC),高精度地鉴定出水样中的痕量污染物。

词源 Etymology

chromatography 来自希腊语词根 **chroma-**(“颜色”)与 -graphy(“记录、书写/描绘的方法”)。最初这种分离技术常用于分离有颜色的物质(如染料、色素),因此得名;后来发展为广泛用于无色物质的分析与分离。

相关词 Related Words

文学作品中的用例 Literary Works

  • 《Silent Spring》(《寂静的春天》) Rachel Carson(1962):涉及环境化学与污染物检测语境中对分析方法(包括色谱等)的提及。
  • 《The Double Helix》(《双螺旋》) James D. Watson(1968):在生物化学与实验技术的叙述中会出现与分离纯化相关的方法术语(色谱常作为背景知识出现)。
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