[alt-photo] Re: Alt-photo-process-list Digest, Vol 153, Issue 1

[Mark Nelson]

Congratulations Chris!  Have you gotten the Gum Stain Test AP for your  
iPhone yet?

Mark Nelson
www.PrecisionDigitalNegatives.com
PDNPRint Forum @ Yahoo Groups
www.MarkINelsonPhoto.com

sent from my iPhonetypeDeviceThingy

On May 18, 2010, at 11:09 AM, Christina Anderson <zphoto at montana.net>  
wrote:

> (testing iPhone...)
> I used to always use am citrate until experiencing pot ox and much  
> prefer it. I tested am citrate heated and it too was warmer, tho not  
> as warm as pot ox, so heat is another factor to consider.
> Chris
>
> Sent from my iPhone
>
> On May 18, 2010, at 1:55 PM, "BOB KISS" <bobkiss at caribsurf.com> wrote:
>
>> DEAR MAREK,
>>   I also found that, all other variables the same (paper, temp, neg,
>> etc., etc.), pt/pd prints developed in sodium citrate required more  
>> exposure
>> than prints developed in Pot Ox.  And, at a dev temp of 100F (38C)  
>> I LOVE
>> the color of COT 320 in Pot Ox.
>>       CHEERS!
>>           BOB
>>
>> -----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
>> Marek Matusz
>> Sent: Tuesday, May 18, 2010 1:29 PM
>> To: alt photo
>> Subject: [alt-photo] Re: Alt-photo-process-list Digest, Vol 153,  
>> Issue 1
>>
>>
>> DOn,
>>
>> Thanks for the post. If I can read you post correcty there might be  
>> some
>> differences in the final colour image, although I find that  
>> humidity has
>> perhaps a strongest influence.
>>
>> Can the citrate developer be replenished like traditional POTA  
>> developr?
>> One advantage might be that citric acid is easily accessible and  
>> cheap.
>>
>> Marek
>>> From: donsbryant at gmail.com
>>> To: alt-photo-process-list at lists.altphotolist.org
>>> Date: Tue, 18 May 2010 08:11:00 -0400
>>> Subject: [alt-photo] Re: Alt-photo-process-list Digest, Vol 153,  
>>> Issue 1
>>>
>>> Hello Marek,
>>>
>>>>
>>> Are there any benefits/differences for the citrate developer vs.
>> traditional
>>> potassium oxalate for palladium printing?
>>>>
>>>
>>> Sorry to take so long to answer your question (assuming it was  
>>> directed to
>>> me vs the general list) I receive the list posting in daily digest  
>>> format
>> so
>>> I'm not too interactive, but the primary difference amongst  
>>> different
>>> developers is the final color palladium prints will have. Generally
>> speaking
>>> warm potassium oxalate creates much warmer toned prints than sodium
>> citrate
>>> and ammonium citrate shift to a warm-neutral tone. But the type of
>> palladium
>>> salt and ferric oxalate used also affects the color too.
>>>
>>> Did that help?
>>>
>>> Don Bryant
>>>
>>>
>>>
>>> _______________________________________________
>>> Alt-photo-process-list | http://altphotolist.org/listinfo
>>
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