It's far cheaper to make up your own Gold toner solutions.
There are plenty of formulae published. Ian
Gold chloride is far cheaper in bulk, so the price for 100 gms is significantly less per gram than in 1gm or 5 gram quantities.
The price of Gold and therefore Gold Chloride has risen rapidly in the past few weeks, so 1gmm from The Formulary was $47.95 a few weeks ago it's now $57.95. So expect the price of the commercial toners to rise significantly too.
I have a small supply of powdered fine Gold so usually make my own Gold Chloride and toners from that.
The Formula I've always used is Ilford IT-4
Ammonium Thiocyanate 20g
Gold Chloride 1g
Water to 1 litre
This will give very similar results to the Agfa (Ansco) 231 formula, but uses a lot less thiocyante.
Ian
Excuse me for being a bit thick, but!!!!
If Gold Chloride is $50 a gramme and makes one litre and Tetenal Gold Toner is $50 a litre off the shelf, just where does the saving kick in? :confused:
At the moment the Nelson toner looks like too much
hassle. Is the GAF 231 formula pretty standard?
Nelson's gives warm tones. If cold is what you are after
another toner will have to do. Nelson's is essentially a hypo
alum toner without the alum. It is a sulfide toner modified
by the presence of gold.
I believe the gold works catalytically altering the tone and
allowing a lower toning temperature than hypo-alum. The
amount of gold per print is infinitesimally small. Yet is
termed a Gold toner. The archival benefits of sulfide
without the sepia tone. Dan
Thanks, Dan. I'm just looking for a gold toner that will produce
cool blue tones used by itself, and warm red/pink tones when
used with sepia with the possibilities of nice split tones.
Sounds like Nelson's is not the one I am after.
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