
Spectrométrie de Fluorescence X
Fingerprint

Fingerprints in crime scenes are typically coated with a wide range of chemicals to aid visualisation. Physical develop reacts with fat species in the fingerprint grease, depositing Silver across the print. The image shows Transmitted X-ray Intensity and Silver distribution.
Mapping area: 17 mm x 17 mm
X-ray beam diameter: 10 µm