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Date:         Tue, 29 Aug 2000 12:08:59 -0300
Reply-To:     Jean-Guy Savoie <jgsavoie@nbnet.nb.ca>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Jean-Guy Savoie <jgsavoie@nbnet.nb.ca>
Subject:      Re: distilled water ?bad
Comments: To: Matthew Pollard <poll7356@uidaho.edu>
Content-Type: text/plain; charset="iso-8859-1"

Great to have someone in the know. I'll trust sience, for worldly things at least.

----- Original Message ----- From: Matthew Pollard <poll7356@uidaho.edu> To: <vanagon@GERRY.VANAGON.COM> Sent: Tuesday, August 29, 2000 10:48 AM Subject: Re: distilled water ?bad

> It DI water bad? In All of our cooling systems (nd:yag lasers, pumped dye > lasers, eximer lasers, boxcars, power supplies, diffusion pumps, > turbopumps, directdrive pumps, ccd cameras, pmts, amplifiers,,,, etc etc > etc) we use the most pure and ion free water we can get. This keeps our > lines clean. The lines are made of copper, aluminum, nickel, stainless, > glass, brass, pvc, teflon, and a few other assorted plastics and > metals. We have seen no corrosion- actually the warranty on a few of the > instruments are voided if we use anything but nano-pure water. Funny side > note, we got a cute little new laser last week and it came, shipped > seperatly, 4 one gallon bottles of nano-pure water! I guess they are > pretty serious about that! > > Where are I am going with this is that the ion strength of pretty darn > pure water is not enough to leach a significant amount of ions out of the > wb cooling system. And if it is, I'd rather to have a few ions leached > out than to add some foreign ions that would otherwise corrode the > inner workings and hidden mechanisms of my wb coolant system. > > Well, all of this chemistry makes make we want to, well, do more! > Cheers > Matthew > > Matthew Pollard http://www.uidaho.edu/~poll7356 > Dept. of Chemistry http://www.chem.uidaho.edu > University of Idaho http://www.uidaho.edu >


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