Gas Chromatography Column bleeding occurs when 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 the column breaks during installation and causes personal injury elution of the analyte is extended over time ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? 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 Gas chromatography is used to analyse gases, solutions and solids 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 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 retain contaminants and prevent them from reaching the column prevent backflush of the injected solution All of these retain the sample and release it gradually to the column retain contaminants and prevent them from reaching the column prevent backflush of the injected solution All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What is the typical internal diameter of fused silica capillary columns? 1.0-2.0 mm 0.5-1.0 mm 0.2-0.3 mm 0.3-0.5mm 1.0-2.0 mm 0.5-1.0 mm 0.2-0.3 mm 0.3-0.5mm ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to All of these increase the detector response reduce polarity of the analytes increase volatility of the analytes All of these increase the detector response reduce polarity of the analytes increase volatility of the analytes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS