Fingerprint Analysis Quiz

Which method uses cyanoacrylate fuming to view prints found on nonporous substances?

• Silver Nitrate

• Ninhydrin

• Diazofluoren

• Cyanoacrylate Fuming

What color do fingerprints develop when using cyanoacrylate fuming?

• Black

• White

• Purple

• Blue-green

Which method is best for detecting fingerprints on wood and styrofoam?

• Cyanoacrylate Fuming

• Silver Nitrate

• Ninhydrin

• Diazofluoren

What color does silver chloride appear under ultraviolet light when using Silver Nitrate?

• Black

• White

• Purple

• Blue-green

Which method produces a purple fingerprint on porous surfaces?

• Cyanoacrylate Fuming

• Silver Nitrate

• Ninhydrin

• Diazofluoren

What is the reaction time for ninhydrin to develop fingerprints?

• 10 seconds

• 24 hours

• 48 hours

• 72 hours

Which method is known to be more effective than ninhydrin for developing prints found on paper?

• Cyanoacrylate Fuming

• Silver Nitrate

• Ninhydrin

• Diazofluoren

What color does diazofluoren produce when reacting with amino acids in fingerprints?

• Black

• White

• Purple

• Blue-green

What is the primary use of a vacuum metal deposition chamber?

• To evaporate gold and zinc

• To evaporate silver and copper

• To evaporate iron and nickel

• To evaporate aluminum and tin

On what type of surfaces does the vacuum metal deposition technique work best?

• Metal surfaces

• Nonmetal surfaces

• Wooden surfaces

• Plastic surfaces