Gas Chromatography The GC trace obtained after an experiment is called a chromatophore chromatograph chromatogram graph chromatophore chromatograph chromatogram graph ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? Cyclodextrins Polysiloxanes Silica None are used as stationary phases Cyclodextrins Polysiloxanes Silica None are used as stationary phases ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? None of these The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks None of these The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the cube root of the number of theoretical plates in a column square root of the number of theoretical plates in a column square of the number of theoretical plates in a column number of theoretical plates in a column cube root of the number of theoretical plates in a column square root of the number of theoretical plates in a column square of the number of theoretical plates in a column number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to analyse the column contents ahead of the sample analyse volatile compounds from solid or liquid samples determine non-volatiles determine the psychological state of the tutor analyse the column contents ahead of the sample analyse volatile compounds from solid or liquid samples determine non-volatiles determine the psychological state of the tutor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? The migration rate of an analyte through a column All of these The distribution of an analyte between the stationary and the mobile phase The velocity of the mobile phase The migration rate of an analyte through a column All of these The distribution of an analyte between the stationary and the mobile phase The velocity of the mobile phase ANSWER DOWNLOAD EXAMIANS APP
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