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Chemiluminescence: Luminol

ThirstForScience ThirstForScience·16 videos
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Uploaded on Mar 29, 2009

Chemiluminescence of luminol. Two solutions are combined, the first solution contains luminol and sodium hydroxide. The second solution is 0.03% Hydrogen peroxide and potassium ferricyanide.

The luminol and the hydrogen peroxide react to cause the chemiluminescence. The iron in potassium ferricyanide is a catalyst for the reaction.

This is also used by crime scene investigators. A solution of hydrogen peroxide and luminol is placed into a spray bottle. When the solution comes into contact with blood, the iron present in hemoglobin will catalyze the reaction and it will begin to glow.

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Music: Kevin MacLeod

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  • Steven Murphy

    Steven Murphy 4 months ago

    How long will it keep glowing?

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  • Noa Roque

    Noa Roque 5 months ago

    hey. I've done this in school last week because i am doing presentation on bioluminescence. However i don't understand what is the role of NaOH in this experience. Coule you help me ? thanks :)

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  • Richard James

    Richard James 10 months ago

    Dont blow yourself up :))

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    in reply to Jiarui Hou (Show the comment)
  • DILEEP KUMAR A

    DILEEP KUMAR A 10 months ago

    its a good science video

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  • Emilie Michel

    Emilie Michel 1 year ago

    Our chemistry teacher prepared a few things for the last lesson before christmas this year, and she did this experiment ^^

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  • Jiarui Hou

    Jiarui Hou 1 year ago

    I'm doing this experiment in lab tomorrow!! So excited!!

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  • deadmanbalckhorse

    deadmanbalckhorse 1 year ago

    awesome man keep it up

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  • Iggy Hazard

    Iggy Hazard 2 years ago

    Neon liquid makes me thirsty...for science!

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  • ohmahgawdfilms

    ohmahgawdfilms 3 years ago

    YES we can try this at home!

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  • PandaMagicFTW

    PandaMagicFTW 3 years ago

    Omg... YOUR GENIUS :D

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    in reply to RetardPwnage (Show the comment)
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