Gas Chromatography Which of the statements is correct? All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of these effects result from slow injection of a large sample volume? Non-linear detector response Increased resolution Constant resolution Decreased resolution Non-linear detector response Increased resolution Constant resolution Decreased resolution 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 Headspace analysis is carried out in order to analyse the column contents ahead of the sample determine the psychological state of the tutor analyse volatile compounds from solid or liquid samples determine non-volatiles analyse the column contents ahead of the sample determine the psychological state of the tutor analyse volatile compounds from solid or liquid samples determine non-volatiles ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when the column breaks during installation and causes personal injury traces of the stationary phase are eluted the column is cracked and stationary phase leaks out elution of the analyte is extended over time the column breaks during installation and causes personal injury traces of the stationary phase are eluted the column is cracked and stationary phase leaks out elution of the analyte is extended over time ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? 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 The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks None of these ANSWER DOWNLOAD EXAMIANS APP
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