Which chemical treatment uses finely powdered materials that adhere to the oily components of latent fingerprints on non-porous surfaces, enhancing their visibility?
A. Ninhydrin
B. Cyanoacrylate fuming
C. DFO (1,8-diazafluoren-9-one)
D. Small Particle Reagent (SPR)
Answer:D
Which chemical treatment uses finely powdered materials that adhere to the oily components of latent fingerprints on non-porous surfaces, enhancing their visibility?
A. Ninhydrin B. Cyanoacrylate fuming C. DFO (1,8-diazafluoren-9-one) D. Small Particle Reagent (SPR)
Explanation: Small Particle Reagent (SPR) consists of finely powdered materials that adhere to the oily components of latent fingerprints on non-porous surfaces, enhancing their visibility and aiding in fingerprint development.