In liquid chromatography, molecules that interact strongly with the solvent will move quickly through the stationary phase.
Which of the following is the most polar bond?
Carbon-Hydrogen
Nitrogen-Hydrogen
Oxygen-Hydrogen
Which of the following is NOT true concerning high performance liquid chromatography?
The columns contain small particles of stationary phase.
The stationary phase is always more polar than the mobile phase.
The technique is suitable for in-volatile samples.
Which of the following is NOT true concerning Gas Chromatography?
Gas Chromatography is not suitable for analytes with high boiling points.
Capillary columns are longer and thinner than packed columns.
Ultra-Violet absorption is the commonest detection method in Gas Chromatography.
Qualitative analysis in high performance liquid and gas chromatography is based on the measurement of what?
Retention time
Resolution
Charge
What kind of column has a diameter of 1cm?
Packed Column
Capillary Column
In high performance liquid chromatography, hydrocarbons are chemically bonded to silica particles and used as a stationary phase.
