Chapter 38. Lab X-2 Analysis of Inks by Chromatography

Equipment and Materials

You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)

Materials from Kit

  • Goggles

  • Centrifuge tubes, 50 mL

  • Chromatography paper

  • Forceps

  • Pipettes

  • Ruler

  • Spot plate, 12-well

Materials you Provide

  • Gloves

  • Acetone

  • Ethanol

  • Pencil

  • Scanner and software (optional)

  • Scissors

  • Toothpicks, plastic

  • Xylene

  • Specimens, black felt-tip pens (3)

Warning

Wear splash goggles, gloves, and protective clothing. Acetone, ethanol, and xylene are extremely flammable. Read the MSDS for each chemical you use and follow the recommended safety precautions.

Background

Inks can be broadly divided ...

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