Room 11 used Chromatography to investigate the ink in our everyday felt pens.

  1. Chromatography (/ˌkroʊməˈtɒɡrəfi/; from Greek χρῶμα chroma “color” and γράφειν graphein “to write” ) is the collective term for a set of laboratory techniques for the separation of mixtures.

It was amazing what we discovered. Take a look at these pics from our experiment using water and a paper towel.