August 2012
Intermediate to advanced
448 pages
14h 47m
English
book
Illustrated Guide to Home Forensic Science Experiments
by Robert Bruce Thompson, Barbara Fritchman Thompson
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Chapter 19. Lab IV-2 Revealing Latent Fingerprints Using Iodine Fuming
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
Magnifier
Iodine crystals
Materials you Provide
Gloves
Iodine fuming chamber (see text)
Scanner and software (optional)
Starch water (see text)
Specimens: paper with latent fingerprints
Warning
Iodine crystals are toxic and corrosive and stain skin and clothing. (Stains can be removed with a solution made by dissolving a vitamin C tablet in water.) Iodine vapors are toxic and irritating. Perform this experiment only outdoors or in a well-ventilated area. ...
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