[Alt-photo] Re: Kallitype stain

[Don Bryant]

Practically speaking, NO, IMHE.

Removal of ferric salts after the fact is typically regarded as impossible.
However, if you submit your print to the waves (as Judy Seigel used to
remark) be prepared to loose the whole thing.

If you want to take the risk, try a 1% solution of HCL.

Don Bryant


On Tue, Jul 9, 2013 at 1:47 PM, Tyler Boley <tboley at tylerboley.com> wrote:

> I posted this at DPUG.org, but I figured the more answers the better...
>
> I see this is an issue here, but mine is not with ongoing work and
> processing I can alter to solve. I got out a kallitype I made in 1985. It's
> been out of the light all these years. I'm seeing the yellow stain where
> the emulsion was brushed on, but neg masked off for white edge, so easy to
> see. I take it this is a clearing problem, either iron or silver? My
> question is, can I treat it in anything now to clear the stain?
> Thank you,
> Tyler
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