Ninhydrin Study guides, Class notes & Summaries
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2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+)
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2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+) 
 
 
What sequence of latent print development techniques are used to develop prints from porous materials? Ans- DFO, Ninhydrin, Physical Developer 
 
The final purple coloured compound usually produced with the treatment of Ninhydrin Ans- Ruhemann's Purple 
 
What latent print development technique is used to process nonporous material that are wet? Ans- Small Particle Reagant 
 
A dye whi...
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2024 IAI LATENT PRINT CERTIFICATION TEST NEW GEN UPDATED QUESTIONS AND ANSWERS ALREADY GRADED A+
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2024 IAI LATENT PRINT CERTIFICATION TEST NEW GEN UPDATED QUESTIONS AND ANSWERS ALREADY GRADED A+ 
 
What sequence of latent print development techniques are used to develop prints from porous materials? Ans- DFO, Ninhydrin, Physical Developer 
The final purple coloured compound usually produced with the treatment of Ninhydrin Ans- Ruhemann's Purple 
What latent print development technique is used to process nonporous materials that are wet? Ans- Small Particle Reagent 
A dye which stains ...
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2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+)
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2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+) 
 
 
 
DFO, Ninhydrin, Physical Developer 
What sequence of latent print development techniques are used to develop prints from porous materials? 
Ruhemann's Purple 
The final purple coloured compound usually produced with the treatment of Ninhydrin 
Small Particle Reagant 
What latent print development technique is used to process nonporous material that are wet? 
Amino Black 
A dye which stains...
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2024 IAI LATENT PRINT CERTIFICATION TEST NEW GEN UPDATED QUESTIONS AND ANSWERS ALREADY GRADED A+
- Exam (elaborations) • 16 pages • 2024
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2024 IAI LATENT PRINT CERTIFICATION TEST NEW GEN UPDATED QUESTIONS AND ANSWERS ALREADY GRADED A+ 
 
 
 
What sequence of latent print development techniques are used to develop prints from porous materials? 
DFO, Ninhydrin, Physical Developer 
The final purple coloured compound usually produced with the treatment of Ninhydrin 
Ruhemann's Purple 
What latent print development technique is used to process nonporous materials that are wet? 
Small Particle Reagent 
A dye which stains protein presen...
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WVU FIS 201 Exam 3 Study Questions and Answers Graded A 100% Verified 2024
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anatomy of fingerprints - friction ridges 
 
when do volar pads start forming? - 4 months 
 
what is unique about volar pads? - consistent throughout life 
 
3 steps of creating an impression - - sebrum & sweat 
- spreads along ridge surface 
- sticks to substrate when pressed 
 
foreign materials that could potentially have fingerprints - - blood, ink, motor oil, pizza grease 
 
3 types of prints - patent, latent, impression/plastic 
 
patent - see without additional assistance 
 
latent - hidd...
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THE IAI LATENT PRINT CERTIFICATION EXAM 2024 QUESTIONS AND ANSWERS GRADED A+
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THE IAI LATENT PRINT CERTIFICATION EXAM 2024 QUESTIONS AND ANSWERS GRADED A+ 
 
 
Most Common # of deltas to find in the interdigital area Ans- 4 
 
What does NCIC stand for? Ans- National Crime Information Center 
 
The first American fingerprint lecturer was... Ans- Mary Holland 
 
The core of a loop is placed upon or within ___________. Ans- The innermost sufficient recurve. 
 
The study of the effects of disease and genetic aberrations on the friction ridges is referred to as.... A...
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Exam 3 (SCI 255) Questions with 100% Verified Correct Answers Rated A+
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Exam 3 (SCI 255) Questions with 100% Verified Correct Answers Rated A+ 
Which type of fingerprint is found in a soft material such as clay or play-doh? - Correct Answers Plastic 
 
How should fingerprint powder be applied to a surface? - Correct Answers With a gently swirling motion 
 
What fingerprint development method can be used for non-absorbent rough surfaces? - Correct Answers Cyanoacrylate fuming 
 
When are fingerprints developed at the crime scene? - Correct Answers After all other evi...
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fingerprint and impression analysis | 38 Questions and Answers(A+ Solution guide)
- Exam (elaborations) • 4 pages • 2023
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how many individual minutiae does the average finger have - 150 
which of the following is the reason why footprints are not commonly used to identify individuals - 
footprints are not commonly found on crime scene and do not have a database of known prints 
how deep does an injury have to alter fingerprints - 2mm 
image - tented arch 
third level of detail - flow and distribution of pores 
dusting over prints w powder - latent 
visible with looks like in liquid - visible 
a print in silly puddy...
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CHEMISTRY 108 Lab Exam 3 Study Guide.
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CHEMISTRY 108 Lab Exam 3 Study Guide. Lab exam 3 
Exam Page 1 
Answer the following two questions 
Why was the paper chromatogram sprayed with ninhydrin solution in the chromatogram experiment? 
It causes the amino acids to react and change color so we could read the analysis of the experiment. 
Why was no peak for Hydrogen present in the SEM spectrum for aspirin (C9H8O9)? 
H is no able to be detected by the SEM. 
Answer Key 
Answer the following two questions 
Why was the paper chromatogram s...
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TLETA WEEK 11 ACTIVITY WEEK TEST QUESTIONS AND ANSWERS
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TLETA WEEK 11 ACTIVITY WEEK TEST 
QUESTIONS AND ANSWERS 
When securing perimeter of crime scene how should initial boundaries be set? - Answer ️️ - 
Wide & make smaller if needed 
What best describes transfer concept? - Answer ️️ -Something is always taken to and from a 
scene 
Most important factor in crime scene photography? - Answer ️️ -Light 
When are fingerprints formed? - Answer ️️ -In utero before birth 
Why are fingerprints used for identification? - Answer ️️ -Unique...
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