[alt-photo] Re: Coating Silver Chloride Paper - Similar to AZO?
alt.list at albertonovo.it
Sun Mar 11 06:57:59 GMT 2012
> ... hot-pressed paper coated with a fairly thick
> layer of gelatin heavily loaded with Barium Oxide (turns to Barium
> Hydroxide when you mix it with water)
Barium oxide or barium sulfate? I always knew it was the latter to be used.
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