Re: possibly off topic question...

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From: Alan Elliott (alanell@netlink.com.au)
Date: 03/09/01-04:49:15 AM Z


One photographic chemical which does not have an indefinite shelf life is
rapid fixer (ammonium thiosulphate). Whether in powder or liquid form it
deteriorates after a few years. If in doubt test it with a piece of unused
film. I have found Kodak powder developers in cans to be perfectly
satisfactory after 10 years, likewise Rodinal in unopened bottles.

Alan Elliott.


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