Biology A-Level
Rf values and pigment identification
What Rf values and pigment identification means in Biology A-Level, as defined for OCR.
Definition of Rf values and pigment identification
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Reference: OCR
Rf value = distance moved by pigment ÷ distance moved by solvent front, and is used to identify pigments by comparison with known values.
Topics that use Rf values and pigment identification
- Photosynthesis (OCR A-Level)
Related terms
- Accessory pigments
- Carbohydrate synthesis and storage
- Chloroplast ultrastructure
- Compartmentalisation of photosynthesis
- Control variables
- Dependence on the light-dependent stage
- Dependent variable
- Electron transport and chemiosmosis
Using Rf values and pigment identification in the exam
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