Luminol - Wikipedia
网页Luminol (C 8 H 7 N 3 O 2) is a chemical that exhibits chemiluminescence, with a blue glow, when mixed with an appropriate oxidizing agent. Luminol is a white-to-pale-yellow crystalline solid that is soluble in most polar organic solvents but insoluble in water.
How Luminol Works - HowStuffWorks
网页Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.
Luminol - an overview | ScienceDirect Topics
网页Luminol is a chemical reagent that, when sprayed in a fine mist over areas to be tested, produces a blueish light (chemiluminescence) in the presence of blood. AI generated definition based on: Forensic DNA Biology, 2013
Detection of Blood with Luminol | Office of Justice Programs
网页Luminol is a water-based solution capable of detecting blood that has been diluted up to 10,000 times. Once it comes in contact with blood, it reacts by causing the blood to fluoresce a pale blue color.
Luminol Definition & Meaning | Merriam-Webster Medical
网页The meaning of LUMINOL is an almost white to yellow crystalline compound C8H7N3O2 that gives a brilliant bluish luminescence when it is treated in alkaline solution with an oxidizing agent (as hydrogen peroxide) and that is used in chemical analysis.
Luminol – Solving crimes with chemiluminescence
网页We sell forensic supplies to law enforcement, schools, and the public. We also host an online detective game where web sleuths can examine the evidence and solve the case. Visit us at crimescene.com. When luminol is activated with an oxidant, the solution reacts with the iron in blood.
2.1: Luminol - Chemistry LibreTexts
网页2023年8月29日 · Luminol is the common name for 5-amino-2,3-dihydro-1,4-phthalazinedione (often called 3-aminopthalhydrazide). Oxidation of luminol produces excited 3-aminophthalate, which on relaxation emits light (&…
Luminol - Chemistry LibreTexts
网页2023年2月28日 · The luminol is oxidized by the hyrogen peroxide in a basic solution to an excited state. The excited state of the luminol than changes back to the stable state with the emission of light. To exhibit its luminescence, the …
Crime Scene Chemistry—The Cool Blue Light of Luminol
网页Abstract. You may have seen police investigators on TV spraying a crime scene with a liquid that glows blue if there is any blood present. Luminol is the chemical which causes the glowing. In this chemistry science fair project, you will investigate what factors make this interesting molecule "light up."
Luminol - Chemistry LibreTexts
网页2020年8月15日 · Principle: The Cu 2+ catalyzes the decomposition of H 2 O 2, producing oxygen (O 2). In the presence of hydroxide ions (OH -), the di-anionic form of luminol is oxidized by O 2, forming an unstable organic peroxide.