how use ultraviolet light to sterilize?

Michele milulamu at
Sun Nov 1 11:06:14 EST 1998

I am an italian high-school student with a special interest in microbiology.
I'm trying to built a self-made sterile-chamber for my experiments.
to do this first of all I bought a Hg vapour ultraviolet-light (30 watts).
my question is : how long does it take to sterlize about 50 liters af air?
is ultraviolet light a good way to obtain sterlity?
I 'm waiting for help

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