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