Martin,
You stated:
Thiocyanate is actually a fixing agent (silver halide solvent)...
Regarding the acetate-buffered thiocyanate solution, it might be related to
the risk of releasing cyanide when thiocyanate is brought in contact with
acids.
I always understood that cyanide is "fixed" and stable in substances like
sodium thiocyanate or pot. ferracyanide (and/or ferricyanide...) etc.
Jon
www.jonathan-bailey.com
Received on Fri Sep 24 07:49:03 2004
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