Aside from the fact that this method introduces yet more dichromate, I actually liked the look of it very much-- but I think it didn't harden enough as I just got a lot of staining.
When I used Fabriano Artistico, I did use that unsized a few times and did not get staining-- that seemed to be the ticket-- but then that only seemed to work with certain pigments. I also starting having trouble with staining by the time I got to a third layer when I did that. I tried the gum/dichromate on both Fabriano Artistico and on Saunders Waterford. Neither worked for me, though I followed the directions to the letter. Again-- I just got staining-- a lot of staining on the Saunders Waterford-- that was the worst, by far. Clearly, I did something wrong-- but not sure what.
On Apr 7, 2008, at 11:58 AM, Dave S wrote:
When you said it didn't work, how did it not work? Did it harden not enough that you still got pigment stain? Or did it harden too much that the image would float off? Or something else?
Also, what paper were you using? Was it somewhat sized? Totally unsized as in unsized rice paper or some printmaking paper? Or?
Thanks. He shows 2 options in his book. The first option is just as you have stated, but not using gelatin and dichromate-- rather, using gum and dichromate. He suggests mixing up a gum dichromate solution of 5ml of dichromate (either potassium or ammonium), 10 ml of gum arabic, and 10 ml of water and exposing it to UV for 5 minutes. The other is coating with equal proportions of a saturated dichromate and gum- coat it, let it dry, and expose to UV for 1-3 minutes. This is the version I tried-- then washed it. The other place wheere I saw this mentioned was in Sarah Van Keuren's workbook, but she suggests spreading the dichromate on the paper first, and then spreading the gum as a separate layer on top of that. I'm not sure if it makes a difference (rather than initially mixing them together and then spreading), but on the off-chance it did make a difference, I tried that, too. That didn't work either. I'm guessing the difference is that you're using gelatin and not gum? If you could email me the details that you use, that would be great. Thanks, Marek.
On Apr 7, 2008, at 9:49 AM, Marek Matusz wrote: