Gas Chromatography A retention gap is placed between the injector and the front of the column to retain contaminants and prevent them from reaching the column All of these prevent backflush of the injected solution retain the sample and release it gradually to the column retain contaminants and prevent them from reaching the column All of these prevent backflush of the injected solution retain the sample and release it gradually to the column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample injection is considered successful if the sample is homogenously spread along the column the sample is spread evenly along the column the sample is concentrated at the start of the column all of the sample in the injector has been added to the column the sample is homogenously spread along the column the sample is spread evenly along the column the sample is concentrated at the start of the column all of the sample in the injector has been added to the 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 Which of the statements is correct? Gas chromatography is used to analyse gases, solutions and solids All of these Gas chromatography is used to analyse gases Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases, solutions and solids All of these Gas chromatography is used to analyse gases Gas chromatography is used to analyse solids ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to determine non-volatiles analyse volatile compounds from solid or liquid samples determine the psychological state of the tutor analyse the column contents ahead of the sample determine non-volatiles analyse volatile compounds from solid or liquid samples determine the psychological state of the tutor analyse the column contents ahead of the sample ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give mass flow-dependent signals? Field ionisation detector Electron capture detector All of these Thermal conductivity detector Field ionisation detector Electron capture detector All of these Thermal conductivity detector ANSWER DOWNLOAD EXAMIANS APP
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