Gas Chromatography Theoretical plates are used to determine the thickness of the stationary phase measure the distribution of the analyte between mobile and stationary phases None of these estimate the efficiency of a column determine the thickness of the stationary phase measure the distribution of the analyte between mobile and stationary phases None of these estimate the efficiency of a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? 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 The relative separation achieved between two species The maximum number of different species which a column can separate simultaneously None of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Helium is generally preferred as carrier gas over nitrogen and hydrogen because it has a lower viscosity all of above it is inert it doubles up as a party gas for balloons and funny voices it has a lower viscosity all of above it is inert it doubles up as a party gas for balloons and funny voices ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to 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 reduce band broadening to get sharper peaks ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What are the benefits of decreasing the column internal diameter? Increased sample capacity Reduced risk of column overloading All of these Increased resolution Increased sample capacity Reduced risk of column overloading All of these Increased resolution ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS