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Thread: Ethanol concentration in a liquid ?

  1. #1 Ethanol concentration in a liquid ? 
    New Member
    Join Date
    Nov 2013
    Hi all
    I would like to know if it is possible to read the ethanol concentration in a liquid by spectrometry (but the liquid could contain other colors), and if yes, how to (on which frequencies do the ethanol absorbs light ?)
    Thank you

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  3. #2  
    Forum Ph.D.
    Join Date
    Jan 2009
    simply use a hydrometer. assuming its water. you didn't say what the fluid is

    Last edited by fizzlooney; November 14th, 2013 at 04:43 PM. Reason: correction
    Hill Billy Holmes likes this.
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  4. #3  
    Join Date
    Nov 2013
    Ya ,specific gravity is the easiest,unless your ethenol is past of a batch of moonshine. If so shake up the jar and see how long the bubbles last . Also known as the Jim Tom method from the appalation hills.
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  5. #4  
    Universal Mind John Galt's Avatar
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    Jul 2005
    Quote Originally Posted by Hill Billy Holmes View Post
    the Jim Tom method from the appalation hills.
    I always thought the correct appellation for the appalation hills was Appalachian. But that's just me.
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