[alt-photo] Re: platinum

[C.Breukel at lumc.nl]

> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org
[mailto:alt-
> photo-process-list-bounces at lists.altphotolist.org] On Behalf Of David
> Ashcraft
> Sent: maandag 20 december 2010 5:13
> To: The alternative photographic processes mailing list
> Subject: [alt-photo] platinum
> 
> I have a bottle of platinum solution that has solids at the bottom of
> it.  I'm wondering if I should try to get it back into solution or
> what other course of action I should take?
> 

David,

Usually these Pt solutions are near saturation, a drop of temperature
can precipitate Pt. Warming up to solution till around 40degC or so
could help,

Best,

Cor