Biology A-Level
Rf value calculation
What Rf value calculation means in Biology A-Level, as defined for OCR.
Definition of Rf value calculation
Check what you remember
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Reference: OCR
Rf = distance travelled by the spot ÷ distance travelled by the solvent front; it is a ratio with no units and is always less than 1.
Topics that use Rf value calculation
- Biological molecules (OCR A-Level)
Related terms
- amylose and amylopectin
- Benedict's test for reducing and non-reducing sugars
- Biuret test for proteins
- Bonding and R-group interactions
- Carbon, hydrogen and oxygen
- Cellulose and microfibrils
- Cholesterol
- Cohesion and surface tension
Using Rf value calculation in the exam
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