Re: Digital Negatives - the next chapter
John Rudiak (wizard@laplaza.org)
Tue, 30 Jul 1996 22:47:59 -0600 (MDT)
On Tue, 30 Jul 1996, Beakman wrote:
>
> 1. Mix sensitizer -- 14 drops Pd solution (hot, heated in a water bath on
> a hot plate), 2 drops Pt solution (also hot), 1 drop of H2O2, and finally
> 14 drops of ferric oxalate solution, room temperature. This will cover an
> 8x10 using a coating rod (about 8 passes or so). It's important that the
> Pt and Pd solutions be hot. This makes sure that there are no crystals in
> the solution and makes the drop size smaller. This process prefers
> slightly more ferric oxalate than Pt/Pd. Using hot Pd/Pd and room temp
> ferric oxalate gives me that.
>
>
> 5. Clear using Kodak Hypo Clearing Agent at normal strength.
>
Right on Kodak Hypo Clear is necessary to clean Platine.
Have you tried mixing the platinum and palladium solutions together while
warm, and then using it? I think you'll find you don't need to keep
heating the stuff up to use it.
John