Paper Chromatography Analysis
Chemistry: Edexcel IGCSE, topic 2.1.8
Test yourself on Paper Chromatography Analysis
What can we conclude if a reference substance's Rf value matches a spot's Rf value in every solvent tested?
Which of the following describe a reference substance?
What do scientists calculate from a chromatogram to identify compounds in a mixture?
What 2 distances are important when calculating Rf values in chromatography?