Gas Chromatography What does the selectivity factor describe? 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 The proportional difference in widths of two chromatographic peaks None of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The GC trace obtained after an experiment is called a graph chromatophore chromatograph chromatogram graph chromatophore chromatograph chromatogram ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse solids All of these Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse gases 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 temperature Optimum mobile phase flow rate Optimum column length The selectivity factor Optimum column temperature Optimum mobile phase flow rate Optimum column length The selectivity factor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by retention time retention factor retention index all of these retention time retention factor retention index all of these 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
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