Forensics C

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sciduck
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Re: Forensics C

Post by sciduck »

yellow_squirtle wrote: 
I believe acetone is polar, but it shares both polar and nonpolar properties. Please correct me if I am wrong. Regardless, your turn :--)
I just guessed because it worked w/ permanent markers but acetone actually has oxygen in it so, yeah I guess it would be polar
What type of fingerprint has 3 deltas?
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Re: Forensics C

Post by Lumitailz »

What type of fingerprint has 3 deltas?
Accidental whorls have more than 2 deltas
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Re: Forensics C

Post by sciduck »

Lumitailz wrote:
What type of fingerprint has 3 deltas?
Accidental whorls have more than 2 deltas
Yup yup. Your turn.
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Re: Forensics C

Post by Lumitailz »

Stationary phase for TLC and gas chromatography?
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Re: Forensics C

Post by sciduck »

Lumitailz wrote:Stationary phase for TLC and gas chromatography?
TLC: Adsorbent (on flat glass / plastic plate)
Gas chromatography: thin layer of an liquid on an inert solid support
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Re: Forensics C

Post by Lumitailz »

sciduck wrote: 
TLC: Adsorbent (on flat glass / plastic plate)
Gas chromatography: thin layer of an liquid on an inert solid support
Yup, your turn.
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Re: Forensics C

Post by sciduck »

What does ninhydrin react with to form fingerprints?
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Re: Forensics C

Post by Lumitailz »

sciduck wrote:What does ninhydrin react with to form fingerprints?
amino acids
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Re: Forensics C

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Lumitailz wrote:
sciduck wrote:What does ninhydrin react with to form fingerprints?
amino acids
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Re: Forensics C

Post by Lumitailz »

When do fingerprints first form? and
Where do they originate?
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