Gas Chromatography What does the retention factor, k', describe? All of these The velocity of the mobile phase The migration rate of an analyte through a column The distribution of an analyte between the stationary and the mobile phase All of these The velocity of the mobile phase The migration rate of an analyte through a column The distribution of an analyte between the stationary and the mobile phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The GC trace obtained after an experiment is called a graph chromatophore chromatograph chromatogram graph chromatophore chromatograph chromatogram ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to reduce band broadening to get sharper peaks prevent analyte condensation within the column control elution of the different analytes all of these reduce band broadening to get sharper peaks prevent analyte condensation within the column control elution of the different analytes all of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? None of these The proportional difference in widths of two chromatographic peaks The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species None of these The proportional difference in widths of two chromatographic peaks The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when elution of the analyte is extended over time the column is cracked and stationary phase leaks out traces of the stationary phase are eluted the column breaks during installation and causes personal injury elution of the analyte is extended over time the column is cracked and stationary phase leaks out traces of the stationary phase are eluted the column breaks during installation and causes personal injury ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to determine the psychological state of the tutor determine non-volatiles analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample determine the psychological state of the tutor determine non-volatiles analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample ANSWER DOWNLOAD EXAMIANS APP
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