You are correct. Vinegar is just acetic acid, and quite dilute. It does not
neutralize the phosphoric acid, simply as you say, dilute it. Neutralization
requires a base, which is what baking soda provides. You could equally well use
lye, but I would stay away from that.
"Westerdale, Bob" wrote:
> I believe vinegar is largely Acetic Acid. I do not think you are
> actually neutralizing the Phosphoric acid, but probably diluting it enough
> so it doesn't react badly later....
> Bob Westerdale
>
> In a message dated 6/5/00 12:23:56 PM Eastern Daylight Time,
> mgendron@speakeasy.org writes:
>
> << How thoroughly must the phosphoric acid be removed prior to priming,
> and how is this best accomplished? What happens if phosphoric acid
> gets into a seam? Will the paint be ruined?
> >>
> Vinegar is a great neutralizer of phosphoric acid... I use OzPho and follow
>
> up with Vinegar.. Heck, for a gas tank I take all of mine to the muffler
> shop and let 'em soak overnight in their vats..
>
> Paul Cordts
> Custom Cars, Inc.
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