Chapter 37. Lab X-1 Revealing Alterations in Documents

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

  • Bottle, sprayer

  • Coverslips

  • Iodine crystals

  • Iodine/glycerol reagent

  • Magnifier

  • Pipettes

  • Slides, flat

Materials you Provide

  • Gloves

  • Acetone

  • Camera (optional)

  • Chlorine laundry bleach

  • Cotton swabs

  • Ethanol

  • Ink remover (optional)

  • Iodine fuming chamber (from Chapter 19)

  • Microscope

  • Pencil

  • Scanner and software (optional)

  • Scissors

  • Ultraviolet (UV) light source (optional)

  • Xylene (or toluene, paint thinner, etc.)

  • Specimens, paper, white

  • Specimen, pen, erasable ink

  • Specimens, pens/markers, assorted ...

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