gas chromatography
柯林斯词典
1. N a technique for analysing a mixture of volatile substances in which the mixture is carried by an inert gas through a column packed with a selective adsorbent and a detector records on a moving strip the conductivity of the gas leaving the tube. Peaks on the resulting graph indicate the presence of a particular component 气相色谱分析法 (Also called gas-liquid chromatography)
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