Chemistry A-Level
adsorption
What adsorption means in Chemistry A-Level, as defined for AQA.
Definition of adsorption
Check what you remember
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Reference: AQA
The specific retention mechanism for solid stationary phases, such as silica in TLC, where molecules bind to the surface of the solid.
Topics that use adsorption
- Chromatography (A-level only) (AQA A-Level)
Related terms
- fragmentation fingerprint
- gas chromatography
- gas chromatography with mass spectrometry
- lid and saturated vapour
- molecular ion peak
- pencil baseline
- retention time
- Rf value
Using adsorption in the exam
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