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What is the device used to measure percent light absorption in pigments?

  1. Nov 25, 2008 #1
    What is the device used to measure percent light absorption in pigments?

    I remember finding the percent light absorption in the pigments of some vegetables for a high school bio lab. I am pretty sure the device used was not specific for pigments. The device was user friendly- we just stuck some tubes in a magical box and the box displayed a number.
     
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  3. Nov 25, 2008 #2

    Ygggdrasil

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  4. Nov 26, 2008 #3

    chemisttree

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    Spec 20 is just such a magic box...
     
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