U of S | Mailing List Archive | alt-photo-process-l | Re: gum mixes

Re: gum mixes

>David, at time of use you mix essentially a half strength potassium
>dichromate and am I correct with your 1 di: 1 water: 10 (!) gum? How long
>are your exposures and are they in the sun?

I'm sorry Chris I got my ratios and my millitres mixed up. I use

5ml sat dichromate and add 5ml distilled water (1:1 ) then 10 ml gum plus pigment..

Exposures are in the sun for between 30 and 45 seconds. I only print between 10 am and 2 pm.

Sorry about that




  • References:
    • Re: gum mixes
      • From: "Christina Z. Anderson" <zphoto@montana.net>