What is the primary purpose of using a mobile phase in chromatography?

Practice Questions

Q1
What is the primary purpose of using a mobile phase in chromatography?
  1. To stabilize the stationary phase
  2. To carry the sample through the stationary phase
  3. To increase the temperature
  4. To enhance detection sensitivity

Questions & Step-by-Step Solutions

What is the primary purpose of using a mobile phase in chromatography?
  • Step 1: Understand that chromatography is a technique used to separate different components in a mixture.
  • Step 2: Identify the two main parts of chromatography: the mobile phase and the stationary phase.
  • Step 3: Recognize that the mobile phase is a liquid or gas that moves through the system.
  • Step 4: Know that the stationary phase is a solid or liquid that stays in place.
  • Step 5: Learn that the primary purpose of the mobile phase is to carry the sample mixture through the stationary phase.
  • Step 6: Understand that as the mobile phase moves, different components of the sample interact with the stationary phase differently.
  • Step 7: Realize that this difference in interaction allows the components to separate from each other.
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