Luminol Spray

Product Description

Luminol is a highly sensitive blood reagent used to detect latent bloodstain evidence, usually associated with a clean up subsequent to a bloodletting event. A strong steady chemiluminescent (Low blue light production) reaction takes place when the luminol formula is applied to blood, even in very trace amounts. Luminol must be used in total darkness for best results since the reaction produces light. This Luminol formula has been used extensively in forensic applications and is well documented in forensic literature. It has successfully detected latent blood evidence over 36 months old. This kit is designed for error proof mixing at the scene to ensure the highest sensitivity of the reagent. Luminol should be used immediately after mixing since the sensitivity will diminish within 2 hours after mixing. To Use: Apply luminol mist to suspected blood. If blood is present a Chemiluminessence, (Low blue light) is visible. The reaction appears brighter when viewed in total darkness.

Features

• Exact formula used worldwide by Crime Scene Investigators
• Perfect for Demonstrations, Complete ready to use kit
• Easy to prepare and use, Lab quality misting sprayer
• Mix immediately prior to use; Luminol reagent has a short reactive life

Top Reviews

Never used yet...
by Just Monitoring (5 out of 5 stars)
November 27, 2018

But bought it to work with the hand held black light.
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For some reason it didn't work on what I thought ...
by M.Potts (5 out of 5 stars)
June 26, 2018

For some reason it didn't work on what I thought was blood specs! Maybe the blood was too old!!
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Works well, but really not enough in the kit ...
by Jill Z (4 out of 5 stars)
December 16, 2015

Works well, but really not enough in the kit. If anything it should have measuring directions so you can use smaller doses or you blow it all in one shot.
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worked for a science fair chemistry project for high school ...
by Michelle Castle (5 out of 5 stars)
June 5, 2017

worked for a science fair chemistry project for high school student. Had to go into a dark closet and use a black light to illuminate.
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You actually don't have to use the whole thing in one go
by Critical Reviewer (5 out of 5 stars)
November 22, 2014

Worked excellently. I bought this because I was spitting out blood all the time. The times where I could taste blood but not see it in my sputum made me wonder if blood was really there. I needed to collect some empirical evidence to convince myself, and my doctors, that I really did have blood in my spit even though one couldn't see it. And that, this blood was nearly always present.

The problem, though, with the spray kit is that one is led to believe that one needs to use the entire kit in one go. You don't need to. I was able to do some calculations to weigh out proportional amounts of liquid to dry chemicals to create the right concentration of liquid. However, in doing this, I eventually found that one could just simply guess and eye ball it. The resulting solution is still able to detect blood very well.

So far, I've made 10+ small amounts of luminol solutions of various concentrations (I've been mostly doing it by eyeballing the measured amounts). They all work well with detecting trace amounts of blood from a known sample (pin prick on my knuckles swiped on a dish). I just use about half a teaspoon of liquid and maybe 20 flakes of luminol. I stir it up, and then I started testing my sputum for blood.

So, luminol glows more or less depending on the concentration of the blood in the solution. If there are trace amounts of blood in a large amount of liquid with some luminol, the solution will glow faintly. If there is trace amounts of blood in no amount of liquid except the luminol solution, it will grow brighter. Hence, the glow's intensity is based on concentration of blood. Regardless, if there is no blood, it will not glow.

So, I tested a control sample, my wife's spit. It didn't glow at all. I tested my spit, it was glowing very faintly, but it was definitely glowing compared to control. When I spit with slight streaks of blood, the glow from the added luminol was much brighter and noticeable, as per earlier paragraph. This was the evidence I needed to convince myself that there was definitely blood in my spit even though I could not see it.

Anyways, I still have a lot of luminol left. I will probably use it again for future experiments. And, the good news is, I finally located the source of the blood in my spit (which took me 6 months to figure out). It wasn't something like cancer, thank goodness, but gum disease around one tooth/crown. After I've been cleaning it out twice a day with light flossing, it has stopped streaking blood along the floss. And, I no longer see blood in my spit. But, we'll see. I'll give it a month and a dentist appt. to really be sure.
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Worked great! Lit up the Blood Stain like a glowing ...
by Lisa (5 out of 5 stars)
January 23, 2017

Worked great! Lit up the Blood Stain like a glowing light!
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Four Stars
by Stephen M. Huff (4 out of 5 stars)
October 19, 2016

Gave me what I needed when I couldn't find a lab that would or could test for blood.
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Five Stars
by Diane Nodwell (5 out of 5 stars)
February 18, 2016

Bought for a Science Fair project it worked great
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Forensics study
by magicman (5 out of 5 stars)
July 14, 2013

I love watching detective mysteries and CSI on TV. I love to try to figure out the shows' endings. I just wanted to try this product out.
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One Star
by Bobby kinsey (1 out of 5 stars)
October 7, 2015

Didn't work for me.

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