RE: The 20X24" Pt/Pd/Kallitype print

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From: Eric Neilsen (e.neilsen@worldnet.att.net)
Date: 04/29/03-08:16:21 PM Z


Sandy, I believe that you will find that there are many formulas that
various people use for their palladium solution. It is quite soluble
and can be mixed at a variety of dilutions. I believe that everyone has
their own reasons for doing so. I mix mine with a bit more gusto than
Carl. 5g makes 40mls for me.

Eric Neilsen Photography
4101 Commerce Street
Suite 9
Dallas, TX 75226
http://e.neilsen.home.att.net
http://ericneilsenphotography.com
 

-----Original Message-----
From: Carl Weese [mailto:cweese@earthlink.net]
Sent: Tuesday, April 29, 2003 6:38 PM
To: alt-photo-process-l@sask.usask.ca
Subject: Re: The 20X24" Pt/Pd/Kallitype print

Sandy,

The platinum solution is nominally 20%, but the palladium solution is
less
than 10% palladium chloride. I think if you mix it from
palladium-sodium-chloride, which is more expensive than palladium
chloride
plus sodium chloride, that is something like a 17% solution.---Carl

-- 
            Web site with picture galleries
            and workshop information
            http://www.carlweese.com
> From: Sandy King <sanking@clemson.edu>
> Reply-To: alt-photo-process-l@sask.usask.ca
> Date: Tue, 29 Apr 2003 18:21:43 -0400
> To: alt-photo-process-l@sask.usask.ca
> Subject: Re: The 20X24" Pt/Pd/Kallitype print
> 
> Clay,
> 
> Thanks very much. I had figured about the same but thanks so much for
> verifying my calculations.
> 
> 
> 
> Sandy
> 
> 
> 
> 
> 
>>> are both 20% solutions?
>>> 
>>> Here is what I figure that is needed to fully tone a 20X24"
>>> kallitye print with platinum or palladium #3 solutions. I prepare
>>> one liter of toning solution using 5ml of the #3 solution, which
>>> according to my estimates amounts to only 1g of metal, since it is
>>> a 20% solution. To tone the 20X24" print I use about 200ml (or 1/5
>>> of 1g of metal salt) of the working toner solution, so I calculate
>>> that the amount I am actually using to tone a print this size is
>>> 0.2g of palladium or platinum. Do these figures make sense, and if
>>> so, what is the equivalent amount being used to make a real Pt/Pd
>>> print?
>> Oh, sorry.  The answer would be 0.96g , so roughly 5x as much.
>> 
>>> 
>>> Sandy
> 

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