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Another thought on De Ionized water and distilled water.
As explained to me by the owner of an aluminum boat that was dealing with
pronounced corrosion
around window frames. The water that is the most corrosive is the dew
that formed nightly on the windows which started corrosion at points around
the window frames.
It seems that it was more corrosive to aluminum than the salt water which
was washed off
after a day on the bay.
The purity of Deionized water is measured in terms of megaohms of
resistance. Less ions equals more resistance.
We need an expert to clear up this muddy water.
John Rudolph
San Francisco
>
> Oct 9, 2001
> Deionized water is an unusually pure form of water. Water actually is a
> very aggressive solvent. In our normal contact with water, it already
> has a lot of things dissolved in it, and is pretty tame. Deionized water
> is so aggressive that it will begin to attack metal, plastic, or even
> stainless steel. It will dissolve carbon dioxide in the air. If someone
> was to drink deionized water, it would have the opposite effect of a
> vitamin, drawing out the minerals and vitamins in your body. It is
> common knowledge that drinking deionized water is harmful, but I am not
> sure if there are any documented studies.
> Tim Neveau
> - Rochester Hills, MI
>
> This thread started on the question of the best water to use in
> batteries. There are different levels of purity for D-I water; the more
> pure or free of ions, the more reactive. I do not believe that D-I
> water at laboratory levels of purity would be suitable for batteries.
> The drug store variety might be ok.
>
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