[alt-photo] Re: potassium phosphate

[Marek Matusz]

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.
> 
> 
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org On Behalf Of Jon
> Reid
> Sent: Tuesday, June 29, 2010 3:48 AM
> To: The alternative photographic processes mailing list
> Subject: [alt-photo] Re: potassium phosphate
> 
> Just following on this theme... I'm yet to try adding Gold Chloride to my
> mix to see if it cools the tones even more but am confused as to the
> practise. The Alt Photography Book (Chris James?) just says add one drop of
> 5% Gold chloride to the mix but isn't specific about whether this replaces
> one drop of another metal or adds to it. Also, what are people's opinions in
> general to the addition of Gold Chloride? I read that it can cause the other
> metals to start reducing out immediately.
> 
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