Gas Chromatography Which of the following detectors give mass flow-dependent signals? Electron capture detector Thermal conductivity detector Field ionisation detector All of these Electron capture detector Thermal conductivity detector Field ionisation detector All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when traces of the stationary phase are eluted the column breaks during installation and causes personal injury elution of the analyte is extended over time the column is cracked and stationary phase leaks out traces of the stationary phase are eluted the column breaks during installation and causes personal injury elution of the analyte is extended over time the column is cracked and stationary phase leaks out ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? Silica None are used as stationary phases Polysiloxanes Cyclodextrins Silica None are used as stationary phases Polysiloxanes Cyclodextrins ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to 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 determine the psychological state of the tutor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What are the benefits of decreasing the column internal diameter? Reduced risk of column overloading All of these Increased resolution Increased sample capacity Reduced risk of column overloading All of these Increased resolution Increased sample capacity ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of these effects result from slow injection of a large sample volume? Decreased resolution Constant resolution Increased resolution Non-linear detector response Decreased resolution Constant resolution Increased resolution Non-linear detector response ANSWER DOWNLOAD EXAMIANS APP
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