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NCJ Number: 30851 Find in a Library
Title: METHOD FOR FIXING LATENT FINGERPRINTS DEVELOPED WITH IODINE
Journal: JOURNAL OF THE FORENSIC SCIENCE SOCIETY  Volume:15  Issue:3  Dated:(JULY 1975)  Pages:189-195
Author(s): F TROWELL
Corporate Author: Forensic Science Soc
United Kingdom
Date Published: 1975
Page Count: 7
Sponsoring Agency: Forensic Science Soc
Harrowgate, N Yorkshire HG1 1BX, England
Format: Article
Language: English
Country: United Kingdom
Annotation: A SOLUTION OF P,P'-TETRAMETHYLDIAMINODIPHENYLMETHANE (TETRABASE) IN 1,1,2 TRICHLOROTRIFLUORETHANE (FREON 113) IS USED TO REACT WITH THE IODINE TO PRODUCE A GREEN-BLUE COLOR, THUS FIXING THE LATENT PRINT.
Abstract: THE FREON 113 SOLVENT IS CHOSEN FOR ITS LOW TOXICITY, NON-FLAMMABILITY AND RAPID RATE OF EVAPORATION. WHERE THE USE OF THE SOLVENT IS TO BE AVOIDED, THE APPLICATION TO THE IODINE PRINT OF A PAD OF UNCURED SILICONE RUBBER PUTTY INTO WHICH DRY TETRABASE HAS BEEN INCORPORATED, CONVERTS THE PRINT TO A PERMANENT BLUE COLOR. (AUTHOR ABSTRACT)
Index Term(s): Crime laboratories; Evidence preservation; Latent fingerprints; Techniques
To cite this abstract, use the following link:
http://www.ncjrs.gov/App/publications/abstract.aspx?ID=30851

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