Key term for OCR GCSE Chemistry B, used in Separation and purity.
The retention factor, calculated as the ratio of the distance moved by the substance to the distance moved by the solvent front ().
Rf value appears in OCR GCSE Chemistry B revision content for Chemical analysis, especially Separation and purity and Suggesting purification techniques.
Chemical analysis
Separation and purity • Suggesting purification techniques
Chemical analysis
Separation and purity • Chromatographic methods
Chemical analysis
Separation and purity • Interpreting chromatograms
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