Gas Chromatography Which of the following detectors give mass flow-dependent signals? Thermal conductivity detector Electron capture detector All of these Field ionisation detector Thermal conductivity detector Electron capture detector All of these Field ionisation detector 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 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 Doubling the column's length increases resolution by a factor of 2 (2)0.5 3 4 2 (2)0.5 3 4 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by retention time retention index retention factor all of these retention time retention index retention factor all of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? The velocity of the mobile phase The distribution of an analyte between the stationary and the mobile phase All of these The migration rate of an analyte through a column The velocity of the mobile phase The distribution of an analyte between the stationary and the mobile phase All of these The migration rate of an analyte through a column ANSWER DOWNLOAD EXAMIANS APP
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