Gas Chromatography What does the retention factor, k', describe? The distribution of an analyte between the stationary and the mobile phase All of these The velocity of the mobile phase The migration rate of an analyte through a column The distribution of an analyte between the stationary and the mobile phase All of these The velocity of the mobile phase The migration rate of an analyte through a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What is the typical internal diameter of fused silica capillary columns? 1.0-2.0 mm 0.5-1.0 mm 0.3-0.5mm 0.2-0.3 mm 1.0-2.0 mm 0.5-1.0 mm 0.3-0.5mm 0.2-0.3 mm ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Split injection is carried out by None of these splitting the sample into smaller portions to inject sequentially 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 None of these splitting the sample into smaller portions to inject sequentially 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 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample injection is considered successful if 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 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 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to 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 control elution of the different analytes all of these reduce band broadening to get sharper peaks ANSWER DOWNLOAD EXAMIANS APP
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