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Volume peroxide to %

Discussion in 'Skulls and Skeletons' started by cyclone, Jun 1, 2007.

  1. cyclone

    cyclone Posts: 400001

    I'll have to admit this one had me stumped for awhile..with not being familar with the "volume" nomenclature for peroxide. So, I did some research on it (finding little) and finally relied on my favorite wikipedia.com. It provided me with the decomposition equation for Hydrogen peroxide to water and oxygen...

    2H2O2 ----> 2H2O + O2

    Volume peroxide refers to the "volume" of oxygen gas produced from the decomposition of 1 volume of the solution.

    That is: if 1 liter of a peroxide solution produces 10 volumes of O2, then it is labeled 10 volume. If 1 volume solution yeilds 20 volumes O2 = 20 volume. You get the picture...

    What percentage is that?

    Quick table:

    10 vol = 3% H2O2
    20 vol = 6% H2O2
    30 vol = 9% H2O2
    40 vol = 12% H2O2

    If you want to convert volume to %

    (Volume value) x 0.3 = percent


    To convert % to volume

    (% value) divided by 0.3 = volume.

    These are rough calculations but will get you in the ball park (+/ - a couple of percent)...

    Hope this helps someone...
    Graybeard's Beetles likes this.
  2. Thanks great to have this quick chart......

  3. cyclone

    cyclone Posts: 400001

    Just a friendly bump for the skull crowd.

    pir^2h likes this.
  4. Sea Wolf

    Sea Wolf Well-Known Member

    See if Ken can make that sticky at the top. Goes along nicely with the other peroxide post.
  5. joeym

    joeym Old Murphey

    I always wondered why peroxide sold at beauty supply stores was labeled by volume, and not percentage. I'm certain that all beauticians are fully aware of the scientific meaning of "volume" when using peroxide...LOL!
    pir^2h likes this.
  6. cyclone

    cyclone Posts: 400001

    Not a one of them Joey...:D
    George likes this.
  7. cyclone

    cyclone Posts: 400001

    I'll just bump it every 12 years or so..;)
  8. joeym

    joeym Old Murphey

    You probably need to bump it every 2 weeks, instead of every 2 years!
    cyclone likes this.