Gas Chromatography Which of the following detectors give concentration-dependent signals? All of these Electron-capture detector Infra-red detector Thermal conductivity All of these Electron-capture detector Infra-red detector Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the cube root of the number of theoretical plates in a column square root of the number of theoretical plates in a column number of theoretical plates in a column square of the 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 number of theoretical plates in a column square of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks None of these The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks None of these The maximum number of different species which a column can separate simultaneously ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Nitrogen Oxygen All of these Helium Nitrogen Oxygen All of these Helium 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 the psychological state of the tutor determine non-volatiles analyse volatile compounds from solid or liquid samples analyse the column contents ahead of the sample determine the psychological state of the tutor determine non-volatiles ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample injection is considered successful if the sample is spread evenly 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 homogenously spread along the column the sample is spread evenly 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 homogenously spread along the column ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS