RE: Pt/Pd Development

Camden, About ten years ago I was making prints with the dibasic form while
Rudiak and I ran our printing business in Taos. It seemed to warm the prints
rather than cool them. I have both forms in my darkroom, mono basic and
dibasic. Both formula use a more dilute Pot Ox than the standard formula.
One should be careful not to make your developer too dilute as that will
lead to slower printing speeds and more grain in the print.

Eric

Eric Neilsen Photography
4101 Commerce Street, Suite 9
Dallas, TX 75226
214-827-8301
http://ericneilsenphotography.com
 
Skype : ejprinter
> -----Original Message-----
> From: Camden Hardy [mailto:camden@hardyphotography.net]
> Sent: Thursday, July 13, 2006 3:04 PM
> To: alt-photo-process-l@usask.ca
> Subject: RE: Pt/Pd Development
>
> Loris,
>
> Thanks for the reply, but I'm looking into this development
> mixture not so
> much for its results, but mostly for the sake of trying it.
>
> I've been looking at places like B&S and the Formulary, and the
> Formulary's the only place I've found online that sells
> potassium
> phosphate at all (short of buying $1000 worth in bulk). The
> original
> question was whether potassium phosphate would work in dibasic
> form as
> opposed to monobasic (which is what the "recipe" called for).
>
> So anyway, I think I'm just going to dive in and see what
> happens. I'm
> waiting on chemistry and paper at the moment, but if I find out
> anything
> I'll let everyone know.
>
>
> Camden Hardy
>
> camden@hardyphotography.net
> http://www.hardyphotography.net
>
>
>
> On Thu, July 13, 2006 1:30 pm, Loris Medici wrote:
> > Camden, I found one of my Ziatype prints, see it @:
> > http://www.loris.medici.name/Karda_Sandalyeler_Ziatype.jpg
> > (12 drops AFO + 10 drops L2PdCl4 + 2 drops KAuCl4 - works
> like AuCl3
> > a.k.a.
> > Gold Chloride)
> >
> > Save the file and open it inside from an icc aware
> application to see the
> > exact scan (which is very close to the real print - in my
> calibrated
> > screen).
> >
> > Did you notice the split tone? Like it? If yes, it's time to
> try Ziatype
> > ;)
> >
> > Regards,
> > Loris.
> >
> > -----Original Message-----
> > From: Loris Medici [mailto:mail@loris.medici.name]
> > Sent: 12 Temmuz 2006 Çarþamba 23:01
> > To: alt-photo-process-l@usask.ca
> > Subject: RE: Pt/Pd Development
> >
> > It's not an answer to your question but let me suggest you
> trying straight
> > Ziatypes - that is: LiPd as the metal + Ammonium Iron(III)
> Oxalate as
> > sensitizer (and maybe adding a drop or two of Gold Chloride)
> - for
> > blue/black prints. It's truly wonderful. I prefer much the
> print-out
> > version
> > and I believe that AFO is a better iron sensitizer than FO
> (because it's a
> > well-defined, easy to obtain and not-PIA-to-mix compound)
> >
> > Regards,
> > Loris.
> >
> > -----Original Message-----
> > From: Camden Hardy [mailto:camden@hardyphotography.net]
> > Sent: 12 Temmuz 2006 Çarþamba 20:58
> > To: alt-photo-process-l@usask.ca
> > Subject: Pt/Pd Development
> >
> > There's a recipe out there to add potassium phosphate
> monobasic to
> > potassium
> > oxalate developers for blue-black tones, which I would like
> to try.
> > However, Photo Formulary's only got potassium phosphate
> dibasic.
> > Does this matter? Can I get away with using dibasic instead
> of mono?
> > What's the difference?
> >
> >
> >
> >
Received on 07/18/06-11:19:57 AM Z