[pure-silver] Re: Developer Stain Remover- Kodak stain remover S-10?

Stephen Anchell's Darkroom Cookbook (2ed) has 3 developer stain removers, 
including #185 for clothing:
 5% solution of KMnO3 followed (when set) by a 10% solution of NaHSO3.  
There is a warning about possible bleaching of coloured fabrics, so test in an 
unobtrusive place first.

Don Sweet
  ----- Original Message ----- 
  From: Eric Nelson 
  To: pure-silver@xxxxxxxxxxxxx 
  Sent: Wednesday, May 27, 2009 12:48 PM
  Subject: [pure-silver] Re: Developer Stain Remover- Kodak stain remover S-10?


  I just found this one posted in a forum and wondering if anyone has 
experience with it before I apply it around the zipper area?  I think the stain 
as is would be better than if the fabric was bleached out!  =)


  "Kodak stain remover S-10:

  Water..............................96oz

  Kodak Thiourea.............10oz

  Kodak Citric Acid...........10oz

  Water to make................ 1 gallon

  Wet the stain with this solution and wait for the stain to disappear. Old 
stains may require more than one application and a longer time (several 
minutes)to disappear. The garment should be thoroughly washed after the stains 
have been removed.

  The above formula & description is from an old version of the Compact Photo 
Lab Index."


------------------------------------------------------------------------------
  From: Eric Nelson <emanmb@xxxxxxxxx>
  To: pure-silver@xxxxxxxxxxxxx
  Sent: Tuesday, May 26, 2009 6:35:30 PM
  Subject: [pure-silver] Re: Developer Stain Remover


  Thanks Claudio.  Unfortunately one of those is for fixer stains and I have a 
developer stain.  The developer's where I like to splash around the most. =)  
The other one contains sulphuric so I don't think that one will do too well on 
clothes.





------------------------------------------------------------------------------
  From: Claudio Bonavolta <claudio@xxxxxxxxxxxx>
  To: pure-silver@xxxxxxxxxxxxx
  Sent: Tuesday, May 26, 2009 4:19:45 PM
  Subject: [pure-silver] Re: Developer Stain Remover

  The old Kodak publication J-1 has a couple of stain removers (page 49):
  http://www.bonavolta.ch/hobby/files/Kodak%20j-1.pdf

  Claudio Bonavolta
  http://www.bonavolta.ch

  Eric Nelson wrote:
  > I've just found a nice little developer stain on a decent pair of pants and 
was wondering if anyone had a formula for removing this.
  > I found an MSDS for a product that does this which lists ethylene glycol 
and thiourea as the ingredients.  Thiourea makes sense certainly.  I can't see 
buying the ethylene glycol if that's integral to the performance of the 
remover, and I would just get the product.  But if my apothecary has the 
ingredients, I might as well make it myself.
  > tia
  > eric
  > 
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  > 
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