How does the ink in a pen work?
In: Chemistry
Ink is a solution of a colouring pigment suspended in a solution. When the ink is placed on the page by the tip of the pen, it’s exposed to the air and the solvent evaporates – leaving the pigment behind, You can try and make your own ink using this knowledge – collect some soot from burning a lighter on the underside of a spoon, then dissolve the soot powder in some vodka. Boom, you’ve got ink
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