[pure-silver] Re: Measuring low levels of silver in fixer
- From: Peter Badcock <peter.badcock@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Mon, 1 Feb 2010 19:49:50 +1100
A question to all the chemists out there, If I made my own hypo-check
<http://www.digitaltruth.com/data/fixtest.php>and put in a sufficient conc.
of potassium iodide, could I then make it so that a milky white precipitate
forms in the silver poor fixer only when the silver conc is >50ppm ? Would
this idea also work with Sodium Chloride solution instead of the potassium
iodide ?
Peter
On 1 February 2010 17:01, John Stockdale <j.sto@xxxxxxxxxxx> wrote:
> Maybe you could estimate the silver content of the fixer by finding out
> how much silver there is in the paper that you're using, multiply by the
> amount of paper, and assume/guess that something like half the silver is in
> the fixer, the balance remaining in the image.
>
> John
>
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