We also did another experiment on another time on another day about Paper chromatography. It is actually using filter paper to separate inks. First, we used a pencil to draw a line across the scrip of paper which is about 3-5 cm away from the bottom. Next we drip a drop of ink onto the line. We then place the paper into a test-tube containing ethanol. Magically, the ink separated into 3 colours such as red, purple and black.
I tried doing the experiment at home using normal paper and water but it failed :(
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