[Answer] What is Luminol test used in forensic analysis?

Step 1 : Introduction to the question " What is Luminol test used in forensic analysis? "

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In luminol test, crime scene investigators use luminol to find traces of blood, even if someone has cleaned or removed it. The investigator sprays a solution of luminol and the oxidant. The iron in blood catalyses the luminescence. The amount of catalyst necessary to cause the reaction is very small relative to the amount of luminol, allowing detection of even trace amounts of blood. The blue glow lasts for about 30 seconds per application. Detecting the glow requires a fairly dark room. Any glow detected may be documented by a long-exposure photograph.

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Step 2 : Answer to the question " What is Luminol test used in forensic analysis? "

A test to tell the connection between victims and perpetrators:

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