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    robo35's Avatar
    robo35 Posts: 9, Reputation: 1
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    #1

    Feb 27, 2009, 09:35 PM
    Neon lamp.
    Is the gas in a blue "neon lamp" actually neon? Explain.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Feb 27, 2009, 11:36 PM

    Various Spectra!
    sarnian's Avatar
    sarnian Posts: 462, Reputation: 9
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    #3

    Feb 28, 2009, 08:07 AM
    Hello Robo

    Neon light refers to light-emitting tubes that form lines or texts.
    These tubes are evacuated of all air and impurities, and than filled with a gas mixture to a couple of Torr.

    Filled with neon will produce yellow-orange-red light.
    Filled with Argon and some mercury will produce blue light.
    Filled with Xenon will produce purple light.
    Other used gasses are Helium and Krypton.

    Does this answer your question? :)
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