Gas Chromatography Split injection is carried out by None of these 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 splitting the sample into smaller portions to inject sequentially None of these 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 splitting the sample into smaller portions to inject sequentially ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Column bleeding occurs when the column breaks during installation and causes personal injury elution of the analyte is extended over time traces of the stationary phase are eluted the column is cracked and stationary phase leaks out the column breaks during installation and causes personal injury elution of the analyte is extended over time traces of the stationary phase are eluted the column is cracked and stationary phase leaks out ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to increase volatility of the analytes reduce polarity of the analytes All of these increase the detector response increase volatility of the analytes reduce polarity of the analytes All of these increase the detector response ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the cube root of the number of theoretical plates in a column square of the number of theoretical plates in a column 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 square of the number of theoretical plates in a column number of theoretical plates in a column square root of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the selectivity factor describe? None of these The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks None of these The maximum number of different species which a column can separate simultaneously The relative separation achieved between two species The proportional difference in widths of two chromatographic peaks ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What is the typical internal diameter of fused silica capillary columns? 1.0-2.0 mm 0.3-0.5mm 0.2-0.3 mm 0.5-1.0 mm 1.0-2.0 mm 0.3-0.5mm 0.2-0.3 mm 0.5-1.0 mm ANSWER DOWNLOAD EXAMIANS APP
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