Gas Chromatography Split injection is carried out by None of these splitting the sample into smaller portions to inject at the same time through parallel ports splitting off some of the sample so that it does not enter the column splitting the sample into smaller portions to inject sequentially None of these splitting the sample into smaller portions to inject at the same time through parallel ports splitting off some of the sample so that it does not enter the column splitting the sample into smaller portions to inject sequentially ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Theoretical plates are used to measure the distribution of the analyte between mobile and stationary phases estimate the efficiency of a column determine the thickness of the stationary phase None of these measure the distribution of the analyte between mobile and stationary phases estimate the efficiency of a column determine the thickness of the stationary phase None of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography A retention gap is placed between the injector and the front of the column to 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 retain the sample and release it gradually to the column prevent backflush of the injected solution All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when the column is cracked and stationary phase leaks out the column breaks during installation and causes personal injury traces of the stationary phase are eluted elution of the analyte is extended over time the column is cracked and stationary phase leaks out the column breaks during installation and causes personal injury traces of the stationary phase are eluted elution of the analyte is extended over time ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column The velocity of the mobile phase All of these The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column The velocity of the mobile phase All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The GC trace obtained after an experiment is called a chromatograph chromatophore chromatogram graph chromatograph chromatophore chromatogram graph ANSWER DOWNLOAD EXAMIANS APP