[Alt-photo] Re: Sulfamic Acid for Paper Acidification

[Serdar Bilici]

I got it. I am so ignorant in the ways of pt/pd :)

-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf Of Jeremy Moore
Sent: 05 Mayıs 2013 Pazar 23:12
To: The alternative photographic processes mailing list
Subject: [Alt-photo] Re: Sulfamic Acid for Paper Acidification

Serdar, I mean to use it for platinum/palladium clearing, which can be done with HCL as Clay mentioned. I won't have time to pick any up and test it before I head out of town this week, though :/


On Sun, May 5, 2013 at 3:09 PM, Serdar Bilici <sbilici at gmail.com> wrote:

> Hi Jeremy,
>
> Definitely not good. I tried initial wash for VDB and Argyrotype with 
> SA instead of citric acid.
> The prints bleached even in %0,1 SA solution.
>
> BTW it is great for initial wash with new cyanotype. I do 1min %1 
> Sulfamic acid wash initially instead of citric acid, it is so much 
> better than citric acid.
>
> Regards
> Serdar
>
>
>
>
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org
> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On 
> Behalf Of Ian Hooper
> Sent: 05 Mayıs 2013 Pazar 23:04
> To: alt-photo-process-list at lists.altphotolist.org
> Subject: [Alt-photo] Re: Sulfamic Acid for Paper Acidification
>
> Probably not good for any silver processes. Silver sulfamate is soluble.
>
> On 05/05/2013 3:52 PM, Jeremy Moore wrote:
> > Clay, I was wondering the same thing about using it as a clearing bath.
> > Please report back if you test it. It's always great to reduce the 
> > number of chemicals we need to keep on hand!
> >
> > - Jeremy
> >
> >
> >
>
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