High Performance Liquid Chromatography Quiz

What does the term 'chromatography' derive from?

• Color and separate

• Color and write

• Color and mix

• Color and analyze

What is the purpose of the mobile phase in chromatography?

• To immobilize the sample

• To separate the components

• To carry the analyte through the column

• To detect the components

What is a chromatogram?

• A type of solvent

• A type of detector

• A visual output of the chromatograph

• A sample mixture

Which type of chromatography uses a liquid mobile phase and a solid stationary phase?

• Thin layer chromatography

• Ion exchange chromatography

• Gas chromatography

• Liquid column chromatography

What is the role of the detector in an HPLC system?

• To measure the concentration of analytes

• To mix solvents

• To separate the components

• To inject the sample

What does the retention time indicate?

• The time taken for the mobile phase to exit

• The time taken by a sample to be injected

• The time taken for the solvent to evaporate

• The time taken by an analyte to pass through the system

Which of the following is NOT a type of chromatography mentioned?

• Liquid/Solid Chromatography

• Gel Permeation Chromatography

• Gas/Solid Chromatography

• Ion Exchange Chromatography

What is the main function of the HPLC column?

• To mix the solvents

• To store the mobile phase

• To separate sample components

• To detect the analytes

What type of stationary phase is used in reverse phase chromatography?

• Non-polar

• Gel-like

• Ionic

• Polar

What is the purpose of the solvent reservoir in an HPLC system?

• To detect the analytes

• To provide the mobile phase

• To store the stationary phase

• To hold the sample