[alt-photo] Re: potassium phosphate

[Jon Reid]

I use the formula out of the Sullivan and Weese book. let me know if  
you don't have it. Also, I've never aimed for much more than neutral  
but I like to avoid the somewhat nostalgic look of tradition PotOx  
used at 40℃.

Jon


On 29/06/2010, at 3:47 AM, David Ashcraft wrote:

> I had read that it was possible to produce a blue tone using this.   
> The pics are winter scenes of ice and snow and printing them in  
> warm tones isn't the look I want.  My other pics are in pt/pd so I  
> want to keep using these materials.  I used the ammonium citrate  
> and gold but wanted to go still cooler using the developer to do so.
>
> What formula are you using?
>
> David
> On Jun 28, 2010, at 4:16 AM, Jon Reid wrote:
>
>> I use it all the time David. I use it typically around room temp  
>> (~20-23)℃. It's a reasonably subtle difference depending on paper  
>> but on Arches platine it produces quite a nice tone just warm of  
>> neutral. I'm wanting to explore Ammonium Citrate for it's alleged  
>> cooler tones and slightly higher contrast but am having trouble  
>> sourcing any locally.
>>
>> I'm also going to explore adding Gold chloride to my mix to  
>> explore it's tone changing characteristics though I've read  
>> arguments for and against.
>>
>> Jon
>>
>>
>> On 28/06/2010, at 2:55 AM, David Ashcraft wrote:
>>
>>> Has anyone used potassium phosphate with potassium oxalate as a  
>>> pt developer?  I want to make pt prints in a cooler tone, any  
>>> suggestions?
>>> David
>>> _______________________________________________
>>> Alt-photo-process-list | http://altphotolist.org/listinfo
>>
>> _______________________________________________
>> Alt-photo-process-list | http://altphotolist.org/listinfo
>
> _______________________________________________
> Alt-photo-process-list | http://altphotolist.org/listinfo