[alt-photo] Re: Substitute for citric acid

BOB KISS bobkiss at caribsurf.com
Wed Dec 21 23:00:45 GMT 2011


DEAR DON,
	Have I been misinformed that 7-Up and Sprite both also have
phosphoric acid in them?  I was told that their concentrated syrups had to
be shipped as Hazmat as a result.  Further, I was told that they were very
effective in clearing pt/pd prints.  
	Add to this the fact that I was told that a concentrated solution of
MSG will develop a pt/pd print and I have vowed never to eat or drink
ANYTHING that either develops or clears a pt/pd print!
	I know, I know, Vit C (ascorbic acid) develops (in combination with
other dev agents and at the correct pH) film and paper but that is a VERY
different story.  
		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
Don Bryant
Sent: Wednesday, December 21, 2011 12:28 PM
To: 'The alternative photographic processes mailing list'
Subject: [alt-photo] Re: Substitute for citric acid

Yep! It has citric acid in it. It's an expensive option but will work in a
pinch.

-----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
Trevor Cunningham
Sent: Wednesday, December 21, 2011 11:19 AM
To: The alternative photographic processes mailing list
Subject: [alt-photo] Re: Substitute for citric acid

Seriously? Just wash the print in a liter of 7UP?

On 12/21/11 6:32 PM, Don Bryant wrote:
> Seven Up!
>
> -----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
> Trevor Cunningham
> Sent: Wednesday, December 21, 2011 10:29 AM
> To: The alternative photographic processes mailing list
> Subject: [alt-photo] Substitute for citric acid
>
> Looking into Kallitype. A clearing agent calls for a 3% citric acid
> solution. Is acetic too weak/strong for a substitute? Recommendations?
> My local chem supplier is out of citric acid.
>
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