Date: Thu, 30 Sep 2010 20:43:07 +0000
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Jen B <arienh222**At_Symbol_Here**HOTMAIL.COM>
Subject: Re: UV and gas discharge tubes
In-Reply-To: <33DFA825-62F8-434C-8E60-9E6478AD3FB8**At_Symbol_Here**>

Many clear goggles are UV resistant. If you make sure the goggles you requi re for students to purchase (or the goggles you are providing if they aren' t purchasing their own) protect against UV, it will eliminate any concern about the UV light source. As an example: alog/product/index.cgi?object_id=0026085&class_id=5034696


> On Sep 30, 2010, at 10:50 AM, Murphy, Dr. Ruth An n wrote:
> >
> > Good Afternoon!
&g t; >
> > How much of a risk of UV damage to the eye is there from using
> > spectroscopes and looking at hydrogen s pectra, mercury vapor
> > spectra, etc.? One lab text ad monishes students not to =93look
> > directly=94 at the illu minated lamps. Do you think this - along with
> > wearing the usually splash goggles - is sufficient precaution?
> >> > Thank you.
> >
> > Ruth Ann

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