RE: First tricolor gum
Ditto, congrats and welcome... Note: You can switch to phtalo blue instead of prussian, it's (usually) a very strong colorant and it's transparent too... ________________________________ From: Keith Gerling [mailto:keith.gerling@gmail.com] Sent: Thursday, July 02, 2009 5:42 AM To: alt-photo-process-l@usask.ca Subject: Re: First tricolor gum ... Great first attempt. On Wed, Jul 1, 2009 at 7:55 PM, Paul Viapiano <viapiano@pacbell.net> wrote: OK, I tried a tricolor gum today with the intent of getting true color. Using 1:1 gum/dichromate ratios and sun exposures of 3 minutes and 30-60 minute development, I ended up with this: http://www.flickr.com/photos/viapiano/3679532909/ My guess is that I'm not putting enough pigment in my mixes...especially the blue pigment. I used Prussian Blue, Warm Sepia, and Anthraquinoid Red...all Daniel Smith watercolors.
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