Gas Chromatography Doubling the column's length increases resolution by a factor of (2)0.5 4 3 2 (2)0.5 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? 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 The distribution of an analyte between the stationary and the mobile phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of these effects result from slow injection of a large sample volume? Constant resolution Increased resolution Non-linear detector response Decreased resolution Constant resolution Increased resolution Non-linear detector response Decreased resolution ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse solids All of these Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse solids All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What useful information can be found from a Van Deemter plot? Optimum column length Optimum column temperature Optimum mobile phase flow rate The selectivity factor Optimum column length Optimum column temperature Optimum mobile phase flow rate The selectivity factor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? Silica Polysiloxanes Cyclodextrins None are used as stationary phases Silica Polysiloxanes Cyclodextrins None are used as stationary phases ANSWER DOWNLOAD EXAMIANS APP
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