Re: Doktor Bovins Ferric oxalate

Beakman (beakman@netcom.com)
Thu, 13 Oct 1994 14:30:21 -0700 (PDT)

>
> I taught the use of a similar formula in the UK when I got interested in
> platinum and kallitype in the late 1980's. The solution I usually used
> for ferric oxalate was as follows:
>
> purified water 20ml
>
> potassium oxalate monohydrate 5.7 g
> iron(III)nitrate nonohydrate 8.4 g
> (oxalic acid 0.25 g if needed)
>
> These were dissolved in a brown bottle and left for 24 hrs.
>
> This gave good results in both kallitypes, platinum/palladium prints, and
> also Satista.

Does this mean you are no longer using this formula? If not, why?

Also, I've found Kodak Hypo Clear to be a terrific clearing agent. Just
use normal strength.

Finally, on the Arches Platine paper I find that I *have* to double
coat. I'm doing experiments right now to see if I can come up with an
alternative. On other papers, such as Crane's etc., I haven't had to.

-David Fokos