Gas Chromatography The GC trace obtained after an experiment is called a chromatophore chromatogram chromatograph graph chromatophore chromatogram chromatograph graph ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give concentration-dependent signals? Thermal conductivity All of these Infra-red detector Electron-capture detector Thermal conductivity All of these Infra-red detector Electron-capture detector ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column All of these The velocity of the mobile phase The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column All of these The velocity of the mobile phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give mass flow-dependent signals? All of these Electron capture detector Field ionisation detector Thermal conductivity detector All of these Electron capture detector Field ionisation detector Thermal conductivity detector ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Split injection is carried out by splitting the sample into smaller portions to inject sequentially splitting the sample into smaller portions to inject at the same time through parallel ports splitting off some of the sample so that it does not enter the column None of these splitting the sample into smaller portions to inject sequentially splitting the sample into smaller portions to inject at the same time through parallel ports splitting off some of the sample so that it does not enter the column None of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Oxygen Helium All of these Nitrogen Oxygen Helium All of these Nitrogen ANSWER DOWNLOAD EXAMIANS APP