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Thread: i want to send a electric current through a chemical .......

  1. #1 i want to send a electric current through a chemical ....... 
    New Member
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    Hi there,
    Thanks for reading my post, i don't know much about chemistry but lucky for me ye do. I want to be able to send a dc voltage of no more than 24volts through a harmless chemical which will cause it to turn from clear to a see through light black or tan color.
    Thanks for any help.

    Regards Mark


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  3. #2  
    Forum Freshman
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    That is how an LCD display works.
    JFYI


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  4. #3  
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    i want to use it as an alternative to tinted windows so i want to beable to use it in that situation . Cheers
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  5. #4  
    Forum Professor Wild Cobra's Avatar
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    Quote Originally Posted by paulfr2
    That is how an LCD display works.
    JFYI
    Actually, LCD devices use alternating current, and have small suspended crystals that align perpendicular against a polarized field to block light.
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