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Question on Thin Layer Chromatography

If the TLC plate draw on the paper in our prac datasheet has a solvent front of 3.85cm instead of 4cm and if we got 1.4cm on a 4cm solvent front TLC plate in the lab, can we still use 1.4cm/3.85 to get the rf or do we have to convert 1.4 to (1.4/4×3.85)? Thank […]