[alt-photo] Re: potassium phosphate

[Marek Matusz]

Loris,

Palladium POP might look "black" when you look at it, but not quite black when you put it next to a pure platinum print. AT least that was my experiece.

Marek
 
> From: mail at loris.medici.name
> To: alt-photo-process-list at lists.altphotolist.org
> Date: Tue, 29 Jun 2010 16:05:16 +0300
> Subject: [alt-photo] Re: potassium phosphate
> 
> Marek, I don't understand that; you can already get rich and dead neutral
> blacks with (NH4)2[PdCl4] or Li2PdCl4, "w/o adding any Pt and/or gold
> chloride"?
> 
> Regards,
> Loris.
> 
> 
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org On Behalf Of
> Marek Matusz
> Sent: Tuesday, June 29, 2010 4:00 PM
> To: alt photo
> Subject: [alt-photo] Re: potassium phosphate
> 
> 
> By the time I could get really nice and neutral black with POP palladium and
> gold, I was also getting a pink stain in the highlights, very unappealing.
> The pink is a result of colloidal gold being made during development. The
> more gold, the reacher the blacks and worse pink stain, the contrast of the
> mix changes as well. AT the end I did not feel I could produce images that
> were techincally accomplished and do it in a reliable fashion
> 
> If you are after pure rich black pure platinum is the way to go.
> 
> Marek
> 
> > From: mail at loris.medici.name
> > To: alt-photo-process-list at lists.altphotolist.org
> > Date: Tue, 29 Jun 2010 09:22:49 +0300
> > Subject: [alt-photo] Re: potassium phosphate
> > 
> > I was getting subtle blue-brown splits with pop palladium (AFO + 
> > LiPd), by replacing up to 10-15% of Pd with KAuCl4...
> > 
> > Regards,
> > Loris.
> 
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