Which made me think for a moment...  I wouldn't think there would be any
silver in the fixer, at least not more than trace amounts.  Should all be
off in the developer, maybe some in the stop bath.  Do they still use
(very) dilute acetic acid for that?

Dale
--
"Curiosity is the very basis of education and if you tell me that
curiosity killed the cat, I say only the cat died nobly."
          - Arnold Edinborough


On Fri, 3 May 2002, Sean H. Breheny wrote:

> Ever since this thread started I have been wondering: why would fix contain
> silver? It is some Thiosulfate compound, right? (I think someone said
> Ammonium Thiosulfate). Certainly the pure stuff doesn't contain silver.
> Does it react with the photographic chemicals (which contain silver) to
> form a silver compound and that is what you are trying to extract silver from?

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