Gas Chromatography The GC trace obtained after an experiment is called a chromatogram chromatograph chromatophore graph chromatogram chromatograph chromatophore graph ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample determine non-volatiles determine the psychological state of the tutor analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample determine non-volatiles determine the psychological state of the tutor 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 The velocity of the mobile phase All of these The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column The velocity of the mobile phase All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to reduce band broadening to get sharper peaks all of these control elution of the different analytes prevent analyte condensation within the column reduce band broadening to get sharper peaks all of these control elution of the different analytes prevent analyte condensation within the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? Electrical conductivity NMR Flame ionisation Infrared spectroscopy Electrical conductivity NMR Flame ionisation Infrared spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What useful information can be found from a Van Deemter plot? Optimum column length The selectivity factor Optimum column temperature Optimum mobile phase flow rate Optimum column length The selectivity factor Optimum column temperature Optimum mobile phase flow rate ANSWER DOWNLOAD EXAMIANS APP
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