Re: Silver solutions
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From: | Jeffrey S Crews <cruzetti@juno.com> |
To: | histonet@pathology.swmed.edu |
Reply-To: | |
Content-Type: | text/plain |
While we're at it, could someone point me to a reference for simple
silver reclamation techniques? I understand that there is a way to
precipitate the silver in used silver staining and photo fixer solutions,
then pour off a silver-free supernatant. I believe it was on Histonet a
while back, but I don't know how to get to the archives, if they are back
up. Any help would be much appreciated.
Jeffrey Crews, HTL (ASCP)
Organogenesis, Inc.
On Thu, 10 Feb 2000 15:47:54 +0000 "Marshall, Sharon,"
<marshall@anat.uct.ac.za> writes:
>Dear histonetters,
>
>Thanks to the net and John Kiernan I am nolonger as wary as I used to
>
>be when working with Sat. picric acid. I am interested to know how
>other netters discard silver,ammonia and sodium hydroxide solutions
>e.g. in Gordon and Sweet stain. I neutralize the solution with 1%
>sodium chloride and then flush it down the basin with a fair amount
>of water. (should I be doing this?) In another lab. they collect
>the waste solution in a plastic container and then get a waste
>company to collect it. (is this a better alternative? I am
>concerned about the explosive properties of this mixture when stored
>in large quantities before collection. )
>
>Sharon Marshall
>Anatomy & Cell Biology
>University of Cape Town
>South Africa
>
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