last lesson chromatography. chromatography chromatography paper

Last lessonChromatography

Chromatographychromatography paper

ChromatographyOrigin line drawn in pencil with a rulerDoes not dissolve in waterabout 2 cm

ChromatographyFour evenly spaced crosses drawn in pencil

ChromatographyFour small dots made with different felt tip pens

ChromatographyDots must be above water levelDont slosh the water about!

Chromatographypencilpaper clip

ChromatographyMake sure you take it out before the water reaches the top!

Another type of chromatogram

HomeworkUse at least 4 diagrams to show how to make a chromatogram. Can you also stick in the two chromatograms that you made?Due Friday 30th April

Todays lesson - Who murdered Mr Scott?

The suspectsNCR

Todays lessonSeparating sand and salt

Filtration

Evaporation

Separating sand and saltCan you stick the instructions in the book and read carefully?