U of S | Mailing List Archive | alt-photo-process-l | RE: Potassium Oxalate recipe

RE: Potassium Oxalate recipe


  • To: alt-photo-process-l@usask.ca
  • Subject: RE: Potassium Oxalate recipe
  • From: Eric Neilsen <ejnphoto@sbcglobal.net>
  • Date: Fri, 22 Sep 2006 10:24:40 -0500
  • Comments: "alt-photo-process mailing list"
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I am an Oxalate user. I live about 2 miles for a distributor of chemicals. I
simply drive over and pick up 50 lbs of ?? pay and drive away. There many
chemicals that I can't use that much of and still use Artcraft or the
Formulary to fill those needs with the exception of my metal salts. 

Eric
 

> -----Original Message-----
> From: BOB KISS [mailto:bobkiss@caribsurf.com]
> Sent: Friday, September 22, 2006 10:11 AM
> To: alt-photo-process-l@usask.ca
> Subject: RE: Potassium Oxalate recipe
> 
> DEAR ERIC,
> 	Yes, that is what I use, Sodium citrate, because the local chem.
> supplier
> brings it in for the food industry.  I also have a 5 kg bucket of citric
> acid and LOTZA sodium carbonate so, if I feel experimental, I can make up
> my
> own.
> 	I have 500g of Potassium Oxalate and will try it to see if the
> difference
> in print quality motivates me to use it at times instead of sodium
> citrate.
> I read reports of warmer color, etc.  Do you suggest that I give it try?
> Which do your prefer, citrate or oxalate dev for pt/pd?
> 		CHEERS!
> 			BOB
> 
>  Please check my website: http://www.bobkiss.com/
> 
> "Live as if you are going to die tomorrow.  Learn as if you are going to
> live forever".  Mahatma Gandhi
> 
> -----Original Message-----
> From: Eric Neilsen [mailto:ejnphoto@sbcglobal.net]
> Sent: Friday, September 22, 2006 10:13 AM
> To: alt-photo-process-l@usask.ca
> Subject: RE: Potassium Oxalate recipe
> 
> Bob, I tried it some time back thinking that I had Sodium Carbonate in the
> chemistry closet. It has a much lessened ability to hold the result in
> solution than Potassium Oxalate. I tried to make it with the same ratio as
> Potassium Carbonate and Oxalic acid. I ended up making many more liters
> than
> I had intended. I used it a few times and can't say that I saw anything
> remarkable about it. I don't have any notes in front of me as to faster,
> slower, etc, but I'd expect it top be a little slower and possibly a bit
> grainer. I don't recall running test over various mixture; DOP, and POP
> permutations. I did try it a few times with Chrysotypes as well. It does
> bubble just like Potassium Carbonate does.
> 
> I can run a quick test today as it still sits in my darkroom in a neat
> bucket. : )
> 
> I think that I'd go with Loris though and just make Sodium Citrate. Citric
> Acid is heavily used in food industry so it should be available quite
> easily.
> 
> 
> Eric
> 
> 
> > -----Original Message-----
> > From: BOB KISS [mailto:bobkiss@caribsurf.com]
> > Sent: Friday, September 22, 2006 8:46 AM
> > To: alt-photo-process-l@usask.ca
> > Subject: RE: Potassium Oxalate recipe
> >
> > OOOPS!  I sent this question before reading all my e-mails.  It was
> > already
> > asked.  Sorry, but still hoping for an answer.
> > *****I am interested in the possibility of making Sodium Oxalate for
> PT/PD
> > printing.
> >               CHEERS!
> >                       BOB
> >
> >  Please check my website: http://www.bobkiss.com/
> >
> > "Live as if you are going to die tomorrow.  Learn as if you are going to
> > live forever".  Mahatma Gandhi
> >
> > -----Original Message-----
> > From: BOB KISS [mailto:bobkiss@caribsurf.com]
> > Sent: Friday, September 22, 2006 9:05 AM
> > To: alt-photo-process-l@usask.ca
> > Subject: RE: Potassium Oxalate recipe
> >
> > DEAR ERIC,
> >         Has anyone tried Sodium Oxalate as a developer?  It is SO much
> > easier for
> > me to find Sodium Carbonate and Oxalic acid here in Barbados.  Would it
> > work?  If so what "recipe" would you recommend.
> >                         CHEERS!
> >                                 BOB
> >
> >  Please check my website: http://www.bobkiss.com/
> >
> > "Live as if you are going to die tomorrow.  Learn as if you are going to
> > live forever".  Mahatma Gandhi
> >
> > -----Original Message-----
> > From: Eric Neilsen [mailto:ejnphoto@sbcglobal.net]
> > Sent: Thursday, September 21, 2006 7:26 PM
> > To: alt-photo-process-l@usask.ca
> > Subject: RE: Potassium Oxalate recipe
> >
> > John, 2 lbs of Pot Carb with 1.75 lbs to make 1 gallon of water. 1 lbs =
> > 457
> > g and 1 gallon = 3.8 l ( top of my head but close enough as it is just
> POT
> > OX).
> >
> > Mix you Pot Card into cool distilled water; about 1/2 your total volume.
> > SLOWLY  add your Ox Acid as it WILL BUBBLE!!!!.  Add to completion and
> top
> > off with water to make final volume.
> >
> >
> > Eric
> >
> >
> > > -----Original Message-----
> > > From: John Brewer [mailto:john@johnbrewerphotography.com]
> > > Sent: Thursday, September 21, 2006 6:23 PM
> > > To: Alt list
> > > Subject: Potassium Oxalate recipe
> > >
> > > Hi list
> > >
> > > Does anyone have a recipe for potassium oxalate (as a Pt/Pd dev) using
> > > potassium carbonate and oxalic acid in metric units.
> > >
> > > Thanks
> > >
> > > John
> > >
> > > www.johnbrewerphotography.com
> > >
> > > Life shrinks or expands in proportion to one's courage. Ana´s Nin.
> > >
> > >
> > >
> >
> >
> >
> >
> 
> 
>