1. KS 3 laboratory Chromatography De Lisle Catholic Science College Science department

2. Strip chromatography problems A BC D chromatography paper solvent start reference mark test sample A BC D Which two samples were probably the same? samples A and D; they both moved the same distance so they are probably the same Which was a mixture of two materials? sample B was a mixture of two materials because it separated out into two spots Produce chromatogram

3. Strip chromatographyDrop chromatography Virtual laboratory: Chromatography menu

4. Strip chromatography model chromatography paper solvent mixture of solutes A & B solute B solute A Produce chromatogram

5. Drop chromatography model chromatography paper mixture of solutes A & B solute B solute A Add drops of solvent onto mixture Add mixture solvent

6. Predicting drop chromatography results What separate pigments may be observed? the primary pigments yellow and red mix to make orange Add solvent to test prediction Add an orange mixture

7. Predicting drop chromatography results What separate pigments may be observed? the primary pigments blue and red mix to make purple Add solvent to test prediction Add a purple mixture

8. Predicting drop chromatography results What separate pigments may be observed? the primary pigments yellow, red and blue mix to make black Add solvent to test prediction Add a black mixture

9. KS 3 laboratory De Lisle Catholic Science College Exit Thank you for your visit to our virtual laboratory