Alpha naphthoflavone is used for fixing
Question and options
Alpha naphthoflavone is used for fixing
- Latent fingerprints developed with iodine
- Latent fingerprints developed with ninhydrin analogues
- Latent fingerprints developed with gold-nano particles
- Latent fingerprints developed with physical developer
Answer and explanation
Correct answer: A - Latent fingerprints developed with iodine
Iodine-developed prints fade quickly. Alpha-naphthoflavone is sprayed to fix them, converting them to a stable blue-black image.
Practice for these exams
-
CUSAT CAT M.Sc. Forensic Science
-
CUET PG Law (LL.M.)
Subject revision