Chemistry A-Level
Rf value calculation
What Rf value calculation means in Chemistry A-Level, as defined for OCR.
Definition of Rf value calculation
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Reference: OCR
The distance that a component's spot has moved from the origin divided by the distance the solvent front has moved from the same origin, measured along the direction of travel.
Topics that use Rf value calculation
- Chromatography and qualitative analysis (OCR A-Level)
Related terms
- 2,4-dinitrophenylhydrazone derivative
- Acidified dichromate(VI) and alcohols
- Adsorption and differential movement
- Adsorption and spot position
- Bromine water and alkenes
- Bromine water test for alkenes
- Carbon–halogen bond strength and reactivity
- Carbonyl compounds: aldehydes and ketones
Using Rf value calculation in the exam
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