Remember my previous post about separating the pen ink with chromatography? Well, I did it in an experiment. i was working with my partner on this separation method and it turned out quite fun. We drew a line on the chromatogram and dotted 3 different colours on it. Using the satay stick to hold the chromatogram, we inserted it into a beaker of water without the ink touching the water. Slowly, the ink started to separate into different colours. It was really interesting the realise how each ink colour is invented with!
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