Polymeric materials such as tape backings, tape adhesives, and paint layers could leave trace evidence to be used in forensic science. Micro X-ray fluorescence spectrometry (µ-XRF) is one technique in an analytical scheme that can provide clues regarding potential relationships between the sources of polymeric materials.
ASTM E3295 is a guide describing various techniques and procedures intended for use by forensic laboratory personnel who perform µ-XRF analysis of polymer samples. The guide includes sample handling and preparation, instrument operating conditions, and spectral data collection, evaluation and interpretation.[1]
