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Exfoliation_Preprint_V1.pdf (11.2 MB)

Studies into Exfoliation and Coating of Egyptian Blue for Application to the Detection of Latent Fingermarks

preprint
submitted on 23.09.2020 and posted on 23.09.2020 by Sorour Shahbazi, John Goodpaster, Gregory Smith, Thomas Becker, Simon W. Lewis
We have recently demonstrated that exfoliated Egyptian blue powder coated with cetrimonium bromide is effective for detecting latent fingermarks on a range of highly-patterned non-porous surfaces (see reference). In this extension of that work, we here present our preliminary studies into alternative approaches to preparing exfoliated Egyptian blue with a variety of different coatings. The various powders were then applied to the detection of latent fingermarks on non-porous surfaces. This proof of concept study demonstrated that there is potential improvement in performance compared to our previous work, however more comprehensive studies are required to compare the quality of the fingermarks developed with these powders against particles exfoliated in water.

History

Email Address of Submitting Author

s.lewis@curtin.edu.au

Institution

Curtin University

Country

Australia

ORCID For Submitting Author

0000-0002-2049-1586

Declaration of Conflict of Interest

No conflict of interest

Version Notes

Version 1: First draft

Exports