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Re: Mercury in fluorescent tubes

To: Aquatic-Plants at actwin_com
Subject: Re: Mercury in fluorescent tubes
From: Paul Nicholson <paul at eisusa_com>
Date: Tue, 5 Aug 1997 14:39:05 -0700
In-Reply-To: <199708041948.PAA23984 at acme_actwin.com>

>> Could someone post a scientific reference as to the presence of Mercury
>> in common fluorescent tubes?

Call the tube manufacturers.

There is a small amount of mercury in the tube which becomes a low pressure
gas. The ionization of the mercury gas by electrical current produces
ultraviolet light which then pumps the phosphor coating on the inside of
the envelope. It is this phosphor coating that gives the tube its color.


Paul

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