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SinisterWolf89
Posted: Wed Apr 16, 2008 6:21 pm    Post subject: Flourscent Lights Reply with quote

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So a few days ago I learned that a flourscent light uses ionized mercury to produce short wave radiation which is then absorbed my a "flourscent phosphorous" and re-radiated as visible light....now I'm wondering and cant figure out what is the difference between phosphorous and flourscent phosphorous?
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SteveF
Posted: Wed Apr 16, 2008 8:26 pm    Post subject: Reply with quote

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I suspect the author wrote fluorescent phosphors, since there is no phosphorus in fluorescent lights. Even so, that phrase is redundant.

A phosphor is any chemical that emits light when it is excited by electrons or certain other radiation. So it is enough to say that the inner surface of fluorescent light tubes is coated with phosphors, or that these chemical linings fluoresce when hit by the short-wavelength radiation from the mercury.

 
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