[Alt-photo] Re: Longevity of Pt/Pl chemistry after being mixed?

Philippe Ayral payral at gmail.com
Mon Dec 9 10:46:11 UTC 2013


Question was about coating solution when *they are mixed into coating
solutions and then stored*


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*Philippe Ayral** Photographie*
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2013/12/9 Eric Nelson <emanphoto at gmail.com>

> The metals should last indefinitely but the FO goes off after 6 months or
> so. I remember this from when I used to buy premixed FO many years ago
> e
>
> On Dec 9, 2013, at 11:39 AM, Francesco Fragomeni <fdfragomeni at gmail.com>
> wrote:
>
> > Hi All,
> >
> > Just a quick question here. Will platinum, palladium, and the ferric
> > oxalate degrade if they are mixed into coating solutions and then stored?
> > I'm thinking about an experiment in which a larger than usual amount of a
> > coating solution will be mixed and will need to be stored but I don't
> want
> > to waste time and money on this if the mixed solutions wont last.
> Basically
> > paper will be floated on the solutions which is why larger amounts need
> to
> > be mixed and then stored in between printing sessions.
> >
> > Any insight? Will there be any issues with mixed solutions being stored?
> > _______________________________________________
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