[alt-photo] Re: dilution of pt/pd

[Terry King]

Loris


When I mix from powder it is 20 %.


When I make my own I use it as  it comes which I assume is 20% as it works in the same way.


Incidentally, if you give the paper a 2 % gelatine size first and then ensure that it is humidified, the solution goes on smoothly.


All the best


Terry





-----Original Message-----
From: Loris Medici <mail at loris.medici.name>
To: The alternative photographic processes mailing list <alt-photo-process-list at lists.altphotolist.org>
Sent: Thu, 22 Jul 2010 18:21
Subject: [alt-photo] Re: dilution of pt/pd


Terry, what strength FO do you use for 20% metal solutions?

Regards,
Loris.


On 22.Tem.2010, at 19:14, Terry King wrote:

> ...
> If we mix 2 drops of  20 %Pd with 8 drops of  20% Pd and 10 drops of ferric 
oxalate we have 1 ml of coating mixture.  What's the problem and why a need for 
molar solutions?

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