On Tue, 23 May 2000, Garth Wood wrote:
> > An alternative to this is to use a product called by various names, but
> which is essentially nitrogen gas in a spray-can.
>
>
> For a better idea of what I'm talking about, surf to:
>
>
> http://www.leevalley.com/woodwork/woodprod/finish/finpres.htm#top
Garth, I have minor reservations about using this stuff for preserving
developer, on the grounds that it contains carbon dioxide, which forms
carbonic acid when dissolved in water, and you don't want any sort of
acid in your developer. I may just be getting a bit paranoid here,
though.
I also notice that they claim that all the constituent gases are heavier
than air, which isn't true of nitrogen, which, as I've already said, is
very slightly lighter than air.
--
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