Chemistry, asked by fa4831373, 1 month ago

placing a thumbprint on a paper

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Answered by arbgamer001

1

Answer:

Paper is one of the surfaces most commonly tested for fingerprints in forensics. Unfortunately, it is particularly difficult to make fingerprints on paper visible. ... It produces a "negative" of the fingerprint and is, in contrast to conventional methods, independent of the composition of the sweat residue left behind.

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