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By adhering to the oils left by a finger.

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15y ago

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What is better than iodine to show up fingerprints?

Ninhydrin is another common chemical used to develop fingerprints on porous surfaces like paper. It reacts with amino acids found in sweat to produce a purple color, making fingerprints visible. Magnetic powder and fluorescent powders are also effective alternatives to iodine for developing fingerprints on different surfaces.


How do you get a latent fingerprint to show on a porous surface?

couldn't you but paint on a finger and press into it???


What substance is used to show up fingerprints?

Fingerprint powder, typically made from fine particles of materials like carbon black or aluminum powder, is used to visualize fingerprints by adhering to the oils and sweat left behind on surfaces touched by a person. UV light or chemical treatments can also be used to reveal latent fingerprints on certain surfaces.


Does a DUI show up on finger print check?

No, a DUI arrest or conviction does not typically show up on a fingerprint check. Fingerprint checks are used to identify individuals based on their unique fingerprint patterns, not to access their criminal history. DUI arrests or convictions would appear on a criminal background check conducted by law enforcement agencies.


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