Jonas, Albert (2020). Development of latent fingerprints on different surface materials by candle soot coating. CHEMKON, 27 (8), pp. 397-400. 10.1002/ckon.202000014
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Thefastand simple method of making latent fin-gerprints visiblebycandlesootcoating is presented forschool classes. Theprocess enablesfingerprintstobedev-elopedquickly andsafelyonvarious surfaces (glass,cera-mic, metal, paper),creatingadark,positiveimpression withhigh contrast.The basisofthe methodlies in thedifferentdegreesofadhesionofsoot particlesonthe residuesofthefingerprint on the one handand the backgroundmaterial onthe other. In the contextofforensics, the experiment provi-desamotivating introductiontothe topicof vander Waalsinteractions in chemistryclasses.
Item Type: |
Journal Article (Original Article) |
|---|---|
PHBern Contributor: |
Jonas, Albert, Oetken, Marco |
ISSN: |
0944-5846 |
Language: |
German |
Submitter: |
Albert Jonas |
Date Deposited: |
22 Feb 2024 10:23 |
Last Modified: |
23 Feb 2024 20:53 |
Publisher DOI: |
10.1002/ckon.202000014 |
PHBern DOI: |
10.57694/7304 |
URI: |
https://phrepo.phbern.ch/id/eprint/7304 |
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