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Investigating diversity in polymer-based identity cards using ATR-FTIR spectroscopy and chemometrics

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Open access
Authors
McGann, Jasmine
Willans, Meg
Sauzier, Georgina
Hackett, Mark
Lewis, Simon
McGinn, John
Trubshoe, Tonya
Van Bronswijk, Wilhelm
Date
2020
Type
Journal Article

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McGann, J. and Willans, M. and Sauzier, G. and Hackett, M. and Lewis, S. and McGinn, J. and Trubshoe, T. et al. 2020. Investigating diversity in polymer-based identity cards using ATR-FTIR spectroscopy and chemometrics. Forensic Science International Reports. 2: Article No. 100149.
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Forensic Science International Reports
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Faculty of Science and Engineering
School
School of Molecular and Life Sciences (MLS)
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Abstract

© 2020 The Author(s). Published by Elsevier B.V.

Polymer identity cards are a key target for counterfeit production, posing significant economic and security threats. Examination of suspect identity cards is largely based on visual features, but could potentially exploit diversity in the card composition. This preliminary study investigated the chemical diversity amongst Western Australian driver’s licences using attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy and chemometrics. Differences were observed between three series of issue, potentially due to variations in the adhesive or printing materials. Analysis of three licences issued by authorities outside of Western Australia also highlighted variations between jurisdictions. This warrants further investigation into the chemical composition of identity cards as a possible tool to assist expert examination.

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