Gas Chromatography What is the typical internal diameter of fused silica capillary columns? 0.2-0.3 mm 0.5-1.0 mm 1.0-2.0 mm 0.3-0.5mm 0.2-0.3 mm 0.5-1.0 mm 1.0-2.0 mm 0.3-0.5mm ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when the column breaks during installation and causes personal injury elution of the analyte is extended over time traces of the stationary phase are eluted the column is cracked and stationary phase leaks out the column breaks during installation and causes personal injury elution of the analyte is extended over time traces of the stationary phase are eluted the column is cracked and stationary phase leaks out ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by retention time all of these retention index retention factor retention time all of these retention index retention factor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What are the benefits of decreasing the column internal diameter? Increased resolution Reduced risk of column overloading All of these Increased sample capacity Increased resolution Reduced risk of column overloading All of these Increased sample capacity ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to reduce polarity of the analytes increase the detector response All of these increase volatility of the analytes reduce polarity of the analytes increase the detector response All of these increase volatility of the analytes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? NMR Flame ionisation Infrared spectroscopy Electrical conductivity NMR Flame ionisation Infrared spectroscopy Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
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