Instead of double coating, try using two party A solution to one part B solution. I think you will get a greater Dmax. Also check your wash water. It should be neutral or slightly acidic. If it is not, add some acidic acid to it or dilute HCl.|
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> Date: Tue, 28 Jul 2009 22:53:46 +0800
> From: email@example.com
> Subject: Cyanotype
> To: firstname.lastname@example.org
> Hi Loris,
> I've been playing around with some new inks in my printer for the past
> few weeks tweaking them to give me a gradation of ink. I haven't had a
> chance with any cyanotype printing. Though I was wondering if you had
> tried a specific method of double printing to increase the Dmax?
> With the traditional Cyanotype you get an average Dmax of 1.10. What
> if you were to recoat again (once it is completed and dried) with the
> Trad cyanotype and registered another negative. Expose for less time
> to do the shadow areas.
> Therefore get a higher Dmax to the print?
> Will this work?
> I can see it being an expensive exercise, with another negative! :)
> Just my rambling thoughts...