Luminol Test

By @forensicfield

What is Luminol?

Luminol is a chemical that exhibits chemiluminescence, with blue glow.

Formula of Luminol – C8H7N3O2

It’s Uses In Forensics

It’s a Presumptive test for blood.

Also known as chemiluminscence test.

It is used in detection of blood remaining after a stain has been cleaned.

Basis Of The Test

Luminol produces chemiluminscence when mixed with appropriate oxidizing agent.

It reacts with Iron atom present in hemoglobin.

Indication for the Presence of Blood

It emits Blue Color if blood is present.

How To Perform This Test ?

Blue Glow is present.

Drawbacks

Luminol test can only be performed in dark room or at night time. Luminol does not give the results with household cleaning items. For examples: Bleach.

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