Re: Modified Zia Formula


Carl Weese (cjweese@wtco.net)
Wed, 12 May 1999 07:46:21 -0400


Jeffrey D. Mathias wrote:

>
> I suspect that if the chemistry is "right" a paper will work at most
> humidities. I have already found that while the Crain's "platinotype"
> had problems at 70 % RH with the published formula it printed fine with
> the proper proportions of salt and metal and more of it. It seems worth
> while to try tweaking the chem before giving up on a good paper.

Great, that was a specific problem I wondered about. If the "right"
chemical mix reduces the need to treat different papers with individual
handling protocols, that's an excellent benefit.

---Carl



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