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

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

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... -
<>Adhesive surface of adhesive tapes
Alternative process names for Gentian Violet - <>1. Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - <>Naphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and often fades unless fixed.
What color image is formed using iodine vapour? - <>Brown
Gentian Violet can interfere with the forensic examination for: - <>1. 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? - <>Amino Acids
How long does it generally take for Ninhydrin treated prints to naturally, fully develop -
<>Several weeks
The development of Ninhydrin treated prints may be accelerated with the use of? -
<>Heating and Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the following problem when processing
porous materials for latent prints? - <>Ink running
Ninhydrin may be applied using what methods? - <>1. Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - <

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