I read the article below. Good information but I was left somewhat
confused regarding the difference between sodium metabisulfite and
potassium metabisulfite. Are these two chemicals interchangeable in
most formulas? If not, what would be the difference?
Sandy King
>From: Erich Camerling <e.camerling@freeler.nl>
>Subject: Pyro staining developers
>Date: Mon, 17 Nov 2003 15:16:42 +0100
>
>> Why do you advise sodium bisulfite ?
>
>Also, see:
>
>http://silvergrain.org/Photo-Tech/chemistry-misnomers.html
>
>(the second section about a page down)
>
>--
>Ryuji Suzuki
>"Reality has always had too many heads." (Bob Dylan, Cold Irons Bound, 1997)
Received on Thu Nov 20 16:53:34 2003
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