Gas Chromatography What does the retention factor, k', describe? 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 All of these The velocity of the mobile phase The migration rate of an analyte through a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the 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 cube root of the number of theoretical plates in a column square root of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Doubling the column's length increases resolution by a factor of 2 4 (2)0.5 3 2 4 (2)0.5 3 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Helium is generally preferred as carrier gas over nitrogen and hydrogen because it doubles up as a party gas for balloons and funny voices all of above it has a lower viscosity it is inert it doubles up as a party gas for balloons and funny voices all of above it has a lower viscosity it is inert ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? The relative separation achieved between two species The maximum number of different species which a column can separate simultaneously None of these The proportional difference in widths of two chromatographic peaks The relative separation achieved between two species The maximum number of different species which a column can separate simultaneously None of these The proportional difference in widths of two chromatographic peaks ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS