[pure-silver] Chemical stability [was Re: Re: D-76 and variations]
- From: Nick Zentena <zentena@xxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 29 Nov 2005 14:38:52 -0500
On Tuesday 29 November 2005 14:06, Koch, Gerald wrote:
> I routinely use the contents of a plastic jar of Phenidone that is
> probably 20 years old and still as active as ever. Phenidone solid is
> quite stabile and in the same class as hydroquinone and Metol as opposed
> to Amidol and Glycin.
Could anybody that knows give a list of the long or short lived dry
chemicals? In other words what can I stock up with and what should I buy a
little at a time?
Thanks
Nick
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