Gas Chromatography Which of the following detectors give concentration-dependent signals? Electron-capture detector All of these Thermal conductivity Infra-red detector Electron-capture detector All of these Thermal conductivity Infra-red detector ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Theoretical plates are used to 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 measure the distribution of the analyte between mobile and stationary phases ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to all of these control elution of the different analytes reduce band broadening to get sharper peaks prevent analyte condensation within the column all of these control elution of the different analytes reduce band broadening to get sharper peaks prevent analyte condensation within the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Oxygen All of these Helium Nitrogen Oxygen All of these Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of these effects result from slow injection of a large sample volume? Constant resolution Non-linear detector response Increased resolution Decreased resolution Constant resolution Non-linear detector response Increased resolution Decreased resolution ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the number of theoretical plates in a column cube root of the 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 number of theoretical plates in a column cube root of the 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 ANSWER DOWNLOAD EXAMIANS APP
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