U of S | Mailing List Archive | alt-photo-process-l | RE: Hardening With Glyoxal: One Shot?

RE: Hardening With Glyoxal: One Shot?



Kerik,

Thanks for the tip! I don't know why I didn't think of that. "So easy a
caveman can do it."

This sounds like an optimum way to size for gum over platinum! Thanks once
again.

Don
 

-----Original Message-----
From: kerik@kerik.com [mailto:kerik@kerik.com] 
Sent: Monday, May 07, 2007 2:35 PM
To: alt-photo-process-l@usask.ca
Subject: RE: Hardening With Glyoxal: One Shot?

Don,

It's easy. Put the drops of hardener in a shot glass, squirt in the required
amount of sizing using a pipette or syringe, swirl it around a bit and
you're good to go. I apply the sizing with a glass rod.  Works like a charm
and (for me) is quicker, easier and much less messy than other sizing
methods I've tried.

Kerik
www.kerik.com


Original Message:
-----------------
From: Don Bryant dsbryant@bellsouth.net
Date: Mon, 07 May 2007 01:54:35 -0400
To: alt-photo-process-l@usask.ca
Subject: RE: Hardening With Glyoxal: One Shot?


Michael,

Nope! Once the gelatin cools and hardens the mix cannot be re-used. Chris
Anderson notes on page 44 of her book 'Alternative Processes Condensed',
that Kerik Kouklis adds 6 drops of formalin to 10 ml of size to cover a
14x17 area. Perhaps this would work with glyoxal also, though I'm not clear
how Kerik is able to mix the hardener uniformly in such a small volume of
gelatin.

Don Bryant

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