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Re: treating paper with oxalic acid
On Thu, 23 Aug 2001 dsbryant@telocity.com wrote:
> Judy,
>
> > coating, and/or an acid bath as first wash, which is said to intensify
> > cyanotype. I wonder if the article about the coating for pt/pd did that?
>
> Coating with oxalic acid is done prior to the pt/pd coating and
> exposure to insure an acidic ph.
>
Yes, the tests I illustrated in cyanotype were done prior to coating... I
wondered whether the pt/pd coating was done same way.
J.