Re: Hardened Gum reversible?

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From: Katharine Thayer (kthayer@pacifier.com)
Date: 07/17/02-12:47:40 PM Z


Cor, if you try this sodium bisulfite thing it's a good idea to give the
print a good soak in water afterward, to clear the stuff out of the
paper. I'd say half an hour to an hour.
kt

Katharine Thayer wrote:
>

>
> Cor,
> You're right, the clearing step is intended to remove dichromate
> residue, not hardened gum, but as a matter of fact sodium bisulfite does
> soften the hardened gum, and just for the heck of it I tried it and
> managed to neatly wipe off the top gum layer of a scrap print this
> afternoon, leaving the lower layers intact, after a short soak in the
> stuff. This might actually be your best bet if you want to try
> something.
>


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