Gas Chromatography Doubling the column's length increases resolution by a factor of 4 3 2 (2)0.5 4 3 2 (2)0.5 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample injection is considered successful if the sample is homogenously spread along the column the sample is concentrated at the start of the column all of the sample in the injector has been added to the column the sample is spread evenly along the column the sample is homogenously spread along the column the sample is concentrated at the start of the column all of the sample in the injector has been added to the column the sample is spread evenly along the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What useful information can be found from a Van Deemter plot? Optimum column length Optimum column temperature The selectivity factor Optimum mobile phase flow rate Optimum column length Optimum column temperature The selectivity factor Optimum mobile phase flow rate ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to 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 reduce band broadening to get sharper peaks 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 Cyclodextrins Polysiloxanes Silica None are used as stationary phases Cyclodextrins Polysiloxanes Silica ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to reduce polarity of the analytes increase the detector response All of these increase volatility of the analytes reduce polarity of the analytes increase the detector response All of these increase volatility of the analytes ANSWER DOWNLOAD EXAMIANS APP
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