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