V2EX gas chromatograph

Gas Chromatograph

定义 Definition

气相色谱仪:用于气相色谱(GC)分析的仪器,通过让气体样品随载气通过色谱柱,将混合物中的不同组分按与固定相作用差异而分离,并由检测器记录信号,用于定性与定量分析。(也常简称 GC,但严格说 GC 指方法,gas chromatograph 指仪器。)

发音 Pronunciation (IPA)

/s kro.mt.rf/

例句 Examples

The lab bought a new gas chromatograph.
实验室买了一台新的气相色谱仪。

Using a gas chromatograph coupled with a mass spectrometer, the team identified trace volatile compounds in the sample.
研究团队使用与质谱仪联用的气相色谱仪,鉴定出了样品中的痕量挥发性化合物。

词源 Etymology

gas(气体)+ **chromato-**(源自希腊语 chroma,意为“颜色”,早期色谱分离常呈现色带)+ -graph(记录/描绘的仪器)。合起来指“用于记录色谱分离结果的气体分析仪器”,即气相色谱仪。

相关词 Related Words

文学与著作 Literary Works

  • Principles of Instrumental Analysis(Skoog 等):在色谱仪器章节中系统讨论气相色谱仪结构与检测器。
  • Quantitative Chemical Analysis(Daniel C. Harris):以教学案例介绍气相色谱仪在定量分析中的应用。
  • Analytical Chemistry(期刊,ACS):大量研究论文在方法部分直接使用并提及 “gas chromatograph / gas chromatographic”。
  • Journal of Chromatography A(期刊):色谱方法与仪器相关论文中频繁出现该术语。
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