Gas Chromatography Which of the following is not used for detection in GC? Flame ionisation Electrical conductivity Infrared spectroscopy NMR Flame ionisation Electrical conductivity Infrared spectroscopy NMR ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography A retention gap is placed between the injector and the front of the column to retain the sample and release it gradually to the column prevent backflush of the injected solution All of these retain contaminants and prevent them from reaching the column retain the sample and release it gradually to the column prevent backflush of the injected solution All of these retain contaminants and prevent them from reaching the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Doubling the column's length increases resolution by a factor of 4 2 3 (2)0.5 4 2 3 (2)0.5 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to All of these increase volatility of the analytes increase the detector response reduce polarity of the analytes All of these increase volatility of the analytes increase the detector response reduce polarity of the analytes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to 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 reduce band broadening to get sharper peaks prevent analyte condensation within the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by retention time retention factor all of these retention index retention time retention factor all of these retention index ANSWER DOWNLOAD EXAMIANS APP
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