Interactive simulations for science teaching
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Thin Layer Chromatography
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- Summary
- TLC is a quick technique for separating and identifying compounds present in a mixture by having them pass through a fixed, inert medium (alumina, silica…) with the aid of a mobile solvent (gas or liquid) which carries them through the medium. Each component of the mixture travels through the medium at a different rate as a result of its solubility in the solvent and its affinity for the fixed medium.
TLC is also commonly used to assess the effectiveness of a purification.
- Learning objectives
- To understand how TLC is carried out.
- To understand how Rf is determined from the raw results on a TLC plate
- How to use the animation
- Click on
or {stop} to play or stop the animation.
- Student sheet
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- Keywords
- chromatography, capillarity, separation, TLC
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