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World 3 · Ink Chromatography · 11 min · PRO

Which pen wrote the note? Comparing inks

What the strip can show and what it cannot

PRO · Forensic Science

World 3: Ink Chromatography is part of PRO

The first world of Forensic Science is free. PRO opens the other 22 lessons in 6 worlds — simulations, quizzes and all.

  • Splitting a colour: how paper chromatography works
  • Rf values: putting a number on a colour
  • Reading a footprint: what the shoe says
  • From foot to height: estimating a person
  • Stride and speed: walking or running?
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

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