Re: RE: Crane's Museo

Reading further, I find it is buffered with calcium carbonate. If you treat the paper with oxalic acid, do you soak and dry or soak, rinse and dry?

George
>
> From: Loris Medici <loris_medici@mynet.com>
> Date: 2004/11/14 Sun PM 10:59:15 GMT
> To: alt-photo-process-l@sask.usask.ca
> Subject: RE: Crane's Museo
>
>
> I'm pretty novice in Pt/Pd printing but know that alkali paper is no
> good for pt/pd (and your paper's PH is on the alkali side). Maybe your
> paper is buffered with calcium carbonate? Maybe Dan Burkholder treats
> the paper in 1.5% oxalic acid first?
>
> BTW...
>
> Dear platium gurus: what's the deal with oxalic acid? Why can't we use
> cheaper and easier to find citric acid in order to neutralize the alkali
> buffer in the paper?
>
> Regards,
> Loris.
>
> > -----Original Message-----
> > From: res1dvao@verizon.net [mailto:res1dvao@verizon.net]
> > Sent: Monday, November 15, 2004 12:48 AM
> > To: alt-photo-process-l@sask.usask.ca;
> > alt-photo-process-l@sask.usask.ca
> > Subject: RE: Crane's Museo
> >
> >
> > I read on his web site that Dan Burkholder prints on Crane's
> > Museo so I bought some. For the life of me I could not get
> > anything but a weak, light brown from Plt/Pla even with
> > double coating. Tried my chemicals on another paper and got
> > strong, solid dark color.
> >
> > Crane says the paper has a "velina finish" with a pH of 7.9-8.5.
> >
> > Anybody have any experience with this paper and what seems to
> > be the problem?
> >
> > George
>
>
Received on Sun Nov 14 17:22:51 2004