Ink Analysis: An Experiment in Paper Chromatography

Test differences in writing instruments with this hands-on activity to demonstrate paper chromatography in action. The class performs an experiment on multiple writing instruments and determines the area of separation to discover an "unknown."

20 Views 7 Downloads NGSS: Adaptable
Instructional Ideas

  • Test additional writing utensils to gather additional data
  • Research the importance of paper chromatography throughout history
Classroom Considerations

  • Ensure learners do not inhale vapors as it could result in injury
Pros

  • Analyzes several types of pens during one experiment
  • Offers the ability compare the results of this experiment with real-world scenarios
Cons

  • None
NGSS