Gas Chromatography Sample injection is considered successful if all of the sample in the injector has been added to the column the sample is spread evenly along the column the sample is concentrated at the start of the column the sample is homogenously spread along the column all of the sample in the injector has been added to the column the sample is spread evenly along the column the sample is concentrated at the start of the column the sample is homogenously spread along the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the square 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 cube root 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 square of the number of theoretical plates in a column cube root of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to reduce polarity of the analytes increase the detector response All of these increase volatility of the analytes reduce polarity of the analytes increase the detector response All of these increase volatility of the analytes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to prevent analyte condensation within the column all of these reduce band broadening to get sharper peaks control elution of the different analytes prevent analyte condensation within the column all of these reduce band broadening to get sharper peaks control elution of the different analytes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What is the typical internal diameter of fused silica capillary columns? 0.5-1.0 mm 0.2-0.3 mm 0.3-0.5mm 1.0-2.0 mm 0.5-1.0 mm 0.2-0.3 mm 0.3-0.5mm 1.0-2.0 mm ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Nitrogen Oxygen Helium All of these Nitrogen Oxygen Helium All of these ANSWER DOWNLOAD EXAMIANS APP
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