inert gases wothout interaction with analytes or stationary phase 管状的 Thermal conductivity detector Electron capture detector , IR, FPD Flame photometric detector Hydrogen flame ionization detector
inert gases wothout interaction with analytes or stationary phase 管状的 Thermal conductivity detector Electron capture detector , IR, FPD Flame photometric detector Hydrogen flame ionization detector
Chromatogram of xylene isomers on a polar column GC
Chromatogram of xylene isomers on a polar column GC
Y
Y
GC 0 12 4 Peak width at a half height Peak width at peak base Adjusted retention time Rotention time Dead time Air peak 1/2 0.607h h 2s Y1/2 Y t'R tR tM Injection t Response signal Chromatogram Time(arbitrary units)
GC 0 12 4 Peak width at a half height Peak width at peak base Adjusted retention time Rotention time Dead time Air peak 1/2 0.607h h 2s Y1/2 Y t'R tR tM Injection t Response signal Chromatogram Time(arbitrary units)
Nomenclature of Chromatographic separation ●Chromatographic Curve & Chromatogram The chart of output detector response (concentration) versus time The protuberance in the curve is called chromatographic peak 如果进样量很小，浓度很低，在吸附等温线（气 固吸附色谱）或分配等温线（气液分配色谱）的 线性范围内，则色谱峰是对称的
Nomenclature of Chromatographic separation ●Chromatographic Curve & Chromatogram The chart of output detector response (concentration) versus time The protuberance in the curve is called chromatographic peak 如果进样量很小，浓度很低，在吸附等温线（气 固吸附色谱）或分配等温线（气液分配色谱）的 线性范围内，则色谱峰是对称的