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IAI LATENT PRINT CERTIFICATION EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+||UPDATED MAY 2024!

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Gentian violet is a dye which stains fatty constituents of sebaceous sweat producing an intense purple image. It is very effective for the development of latent fingerprints on... - ANSWERSAdhesive surface of adhesive tapes Alternative process names for Gentian Violet - ANSWERS1. Crystal Violet 2. Methyl Violet Alternative process name for Amido Black - ANSWERSNaphthalene Black Iodine vapour is physically absorbed by latent fingerprint deposits and often fades unless fixed. What color image is formed using iodine vapour? - ANSWERSBrown Gentian Violet can interfere with the forensic examination for: - ANSWERS1. Handwriting 2. Body fluids 3. Ink Ninhydrin is a general purpose fingerprint reagent for paper and some other porous surfaces. What component of a fingerprint deposit does it react with? - ANSWERSAmino Acids How long does it generally take for Ninhydrin treated prints to naturally, fully develop - ANSWERSSeveral weeks The development of Ninhydrin treated prints may be accelerated with the use of? - ANSWERSHeating and Humidification Ninhydrin which uses a Freon solvent virtually eliminates the following problem when processing porous materials for latent prints? - ANSWERSInk running Ninhydrin may be applied using what methods? - ANSWERS1. Dipping 2. Brushing 3. Spraying Physical Developer (PD) is what kind of aqueous reagent? -

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