Gas Chromatography Resolution is proportional to the square of the number of theoretical plates in a column number of theoretical plates in a column square root of the number of theoretical plates in a column cube 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 square root of the number of theoretical plates in a column cube root of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What are the benefits of decreasing the column internal diameter? Increased resolution All of these Increased sample capacity Reduced risk of column overloading Increased resolution All of these Increased sample capacity Reduced risk of column overloading ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when traces of the stationary phase are eluted elution of the analyte is extended over time the column breaks during installation and causes personal injury the column is cracked and stationary phase leaks out traces of the stationary phase are eluted elution of the analyte is extended over time the column breaks during installation and causes personal injury the column is cracked and stationary phase leaks out ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? The migration rate of an analyte through a column All of these The distribution of an analyte between the stationary and the mobile phase The velocity of the mobile phase The migration rate of an analyte through a column All of these The distribution of an analyte between the stationary and the mobile phase The velocity of the mobile phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography In column switching chromatography one column is removed and replaced by another any of the above compounds trapped on one column are eluted to another column the flow to the column is switched on and off repeatedly one column is removed and replaced by another any of the above compounds trapped on one column are eluted to another column the flow to the column is switched on and off repeatedly ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? None are used as stationary phases Silica Cyclodextrins Polysiloxanes None are used as stationary phases Silica Cyclodextrins Polysiloxanes ANSWER DOWNLOAD EXAMIANS APP
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