Key term for OCR GCSE Chemistry A, used in Practical Activity Groups.
The ratio of the distance moved by a substance to the distance moved by the solvent front in chromatography.
Rf (Retention Factor) appears in OCR GCSE Chemistry A revision content for Practical skills, especially Practical Activity Groups and Production of Salts Practical.
Create a free account to access OCR GCSE Chemistry A revision notes, track progress, and practise related key terms.