1.11 understand how a chromatogram provides information about the composition of a mixture

PAPER CHROMATOGRAPHY - COMPOSITION OF A MIXTURE

Diagram Showing the Composition of an Ink using Paper Chromatography
COMPOSITION OF A MIXTURE:

  • Chromatograms will Show the Composition of a Mixture as the Different Coloured Substances (Components) will Spread Apart as they will Have Different Solubilities so will Travel at Different Rates
  • A Pure Substance will Only Produce One Spot on the Chromatogram during Paper Chromatography
  • In the Diagram Above, Red, Blue and Yellow are Three Pure Substances, whilst the Sample on the Left is a Mixture of All Three
- https://igcse-chemistry-2017.blogspot.ae/search?q=1.11

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