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Friday, March 22, 2019

Chromatography



AIM - To seperate the different pigments in inks using paper chromatography

METHOD - 1) Cut a piece of filter paper long enough to reach the bottom of your test tube
                     2 Rule a line in pencil 2cm from bottom of paper
                     3 Fill testtube with 10
ml of chromatography solution (water)
                     4 Place a dot of ink above the ruled line
                     5 fold over test tube and place in solution
                     6 Wait and observe
                     7 Repeat with two other colours
THE RESULT

               DISCUSSION - Chromatography is separating the mixture of coloured compound. The filter paper absorbed the solvent ( Water ) and the water rised up to reach the coloured ink.
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1 comment:

  1. Mrs Kelsey CliffordMarch 25, 2019 at 2:27 PM

    Hey Johanna,
    This looks like a really cool experiment. I like the choice of colours you picked, it looks like art! When do you think this would be useful in the 'real world'?
    Look forward to hearing from you,
    Miss Morgan

    ReplyDelete

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