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
>