Gas Chromatography What does the retention factor, k', describe? 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when elution of the analyte is extended over time the column breaks during installation and causes personal injury traces of the stationary phase are eluted the column is cracked and stationary phase leaks out elution of the analyte is extended over time the column breaks during installation and causes personal injury traces of the stationary phase are eluted the column is cracked and stationary phase leaks out ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of these effects result from slow injection of a large sample volume? Increased resolution Non-linear detector response Constant resolution Decreased resolution Increased resolution Non-linear detector response Constant resolution Decreased resolution ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Helium is generally preferred as carrier gas over nitrogen and hydrogen because 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 it has a lower viscosity all of above ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to prevent analyte condensation within the column control elution of the different analytes all of these reduce band broadening to get sharper peaks prevent analyte condensation within the column control elution of the different analytes all of these reduce band broadening to get sharper peaks 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 All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse gases All of these Gas chromatography is used to analyse solids ANSWER DOWNLOAD EXAMIANS APP
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