Re: Trivia time: room temperature solubility of platinic acid

I'll let you know. The stuff is still in a small plastic bag in the
form of crystals. So experimentation is forthcoming.

  I agree with everyone about Na2 - it takes only a small amount to
significantly cool down a palladium print, ceteris paribus.

Clay
On Dec 8, 2005, at 11:46 PM, Eric Neilsen wrote:

> Well, Yes. Perhaps my point missed both you and Sandy. Does the Na2
> produce
> prints of warmer color than prints made using Platinic Acid, where
> the Na is
> replaced in the compound by H. Discounting the effect that PT would
> have on
> the image tone by cooling it down a bit, and since the same amount of
> platinum is in both the magical Na2 and in Platinic Acid, what then
> accounts
> for any difference in image color?
>
> So Clay, have you used both? What say ye?
>
> Eric Neilsen Photography
> 4101 Commerce Street
> Suite 9
> Dallas, TX 75226
> http://e.neilsen.home.att.net
> http://ericneilsenphotography.com
>
>> -----Original Message-----
>> From: Kerik [mailto:kerik@kerik.com]
>> Sent: Thursday, December 08, 2005 5:52 PM
>> To: alt-photo-process-l@sask.usask.ca
>> Subject: Re: Trivia time: room temperature solubility of platinic
>> acid
>>
>> On Thu, 08 Dec 2005 17:18:43 -0600, Eric Neilsen
>> <e.neilsen@worldnet.att.net> wrote:
>>
>>> In fact I can see no reason why it wouldn't
>>> work as well or better than Na2. Better? More neutral. Na has a
>>> tendency
>>> to warm up palladium prints, so I'd expect the elimination of it to
>>> reduce the warmth of your print.
>>
>> Hmmm... no. Na2 causes Pd prints to shift towards neutral.
>>
>> Kerik Kouklis
>> www.kerik.com
>
Received on Fri Dec 9 05:33:24 2005