Gas Chromatography Which of the following are not used as stationary phases in a GC column? Polysiloxanes None are used as stationary phases Cyclodextrins Silica Polysiloxanes None are used as stationary phases Cyclodextrins Silica ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The GC trace obtained after an experiment is called a chromatograph graph chromatogram chromatophore chromatograph graph chromatogram chromatophore ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when the column is cracked and stationary phase leaks out traces of the stationary phase are eluted elution of the analyte is extended over time the column breaks during installation and causes personal injury the column is cracked and stationary phase leaks out traces of the stationary phase are eluted elution of the analyte is extended over time the column breaks during installation and causes personal injury 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 All of these prevent backflush of the injected solution retain the sample and release it gradually to the column retain contaminants and prevent them from reaching the column All of these prevent backflush of the injected solution ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to analyse volatile compounds from solid or liquid samples determine non-volatiles determine the psychological state of the tutor analyse the column contents ahead of the sample analyse volatile compounds from solid or liquid samples determine non-volatiles determine the psychological state of the tutor analyse the column contents ahead of the sample ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by retention factor retention time retention index all of these retention factor retention time retention index all of these ANSWER DOWNLOAD EXAMIANS APP
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