Multiple choice

Chromatography may be preparative or analytical. In which of the following chromatographic techniques, both the stationary and mobile phases are liquids?

  1. Reversed-phase chromatography

  2. Pyrolysis gas chromatography

  3. Fast protein liquid chromatography

  4. Countercurrent chromatography
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Countercurrent chromatography (CCC) is a type of liquid-liquid chromatography, where both the stationary and mobile phases are liquids. The operating principle of CCC equipment requires a column consisting of an open tube coiled around a bobbin.

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