[pure-silver] Re: Old Paper Developer Question

I have had good sucses with adding benzotriazole to the developper. It
seems there is a developper that is supposed to give fog free prints on
outdated paper. It contains chlorohydroquinone, it's called Defender
58-D, :

Defender 58-D
Water 750ml
Sodium Sulfite 16.0grams
Chlor-hydroquinone 4.0grams
Sodium Carbonate 16.0Grams
Potassium Bromide 0.6grams
Water to make 1Liter

I have not tried it myself (yet)

Best,

Cor

> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-
> bounce@xxxxxxxxxxxxx] On Behalf Of Eric Nelson
> Sent: maandag 18 februari 2008 6:26
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: Old Paper Developer Question
> 
> I can't speak to the anti-fog abilities of glycin or
> amidol based developers, but in my experince, amidol
> developers oxidize REALLY fast and amidol itself isn't
> cheap.  I'm talking literally 2 hours of life and a
> limited number of prints.
> Eric
> 
> --- Don Sweet <don@xxxxxxxxxxxxxxxx> wrote:
> 
> > I have few boxes of 25+ year old enlarging paper,
> > including Ilfobrom and Portriga Rapid.  It is
> > unopened, so I decided before blazing away I should
> > look for some information about how to best to
> > process it, particularly to minimise fog. First I
> > sourced some benzotriazole which I thought could
> > just be added to Dektol or Neutol or Bromophen
> > developer.
> >
> > Then following links from the UnblinkingEye website
> > I found some suggestions that both amidol-based or
> > glycin-based developers are more resistant to fog
> > than the usual MQ or PQ blends.  Does anyone know if
> > that is right, and whether either of them is likely
> > to be a better developer for my old paper?
> >
> > Thanks
> > Don Sweet
> 
> 
> 
> 
>
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