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, 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 ...

Get Illustrated Guide to Home Forensic Science Experiments now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.