Gas Chromatography Resolution is proportional to the square root of the number of theoretical plates in a column cube root of the number of theoretical plates in a column number of theoretical plates in a column square of the number of theoretical plates in a column square root of the number of theoretical plates in a column cube root of the number of theoretical plates in a column number of theoretical plates in a column square of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? 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 The velocity of the mobile phase The distribution of an analyte between the stationary and the mobile phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to control elution of the different analytes all of these reduce band broadening to get sharper peaks prevent analyte condensation within the column control elution of the different analytes all of these reduce band broadening to get sharper peaks prevent analyte condensation within the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography A retention gap is placed between the injector and the front of the column to 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 retain contaminants and prevent them from reaching the column retain the sample and release it gradually to the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Doubling the column's length increases resolution by a factor of 4 3 2 (2)0.5 4 3 2 (2)0.5 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give mass flow-dependent signals? Thermal conductivity detector All of these Electron capture detector Field ionisation detector Thermal conductivity detector All of these Electron capture detector Field ionisation detector ANSWER DOWNLOAD EXAMIANS APP
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