Powder Fingerprint MatchingVersión en línea Match items to powder methods and steps por Alana Dixon 1 Powder Types 2 Substrates 3 Tools 4 Visualization Conditions 5 Contamination Prevention 6 Common Challenges Carbon powder Ferro magnetic powder Fluorescent powder Aluminum powder Graphite powder Glass surface Wood surface Plastic surface Paper surface Porcelain tile Soft brush Cotton swab Magnetic wand Lifting tape Microfiber pad UV light with fluorescent powder Oblique lighting White background Dark background Photograph for records Wear gloves Use separate brushes Clean workspace Change powders between items Document chain of custody Faint prints Smudged prints Background texture interference Overlapping prints Residue from powders left behind
