Gas Chromatography What useful information can be found from a Van Deemter plot? The selectivity factor Optimum mobile phase flow rate Optimum column temperature Optimum column length The selectivity factor Optimum mobile phase flow rate Optimum column temperature Optimum column length ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Helium is generally preferred as carrier gas over nitrogen and hydrogen because it has a lower viscosity all of above it is inert it doubles up as a party gas for balloons and funny voices it has a lower viscosity all of above it is inert it doubles up as a party gas for balloons and funny voices 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
Gas Chromatography The column is heated to reduce band broadening to get sharper peaks prevent analyte condensation within the column all of these control elution of the different analytes reduce band broadening to get sharper peaks prevent analyte condensation within the column all of these control elution of the different analytes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? Infrared spectroscopy Electrical conductivity NMR Flame ionisation Infrared spectroscopy Electrical conductivity NMR Flame ionisation ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to determine the psychological state of the tutor analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample determine non-volatiles determine the psychological state of the tutor analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample determine non-volatiles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS