>It is for this reason that I never use ferric oxalate. All my processes are
>based for preference on ammonium ferrioxalate (aka ammonium iron(III)
>oxalate, or ammonium trisoxalatoferrate, which is obtainable as a pure,
>crystalline, well-characterised solid, highly soluble in water), or
>ammonium ferricitrate (not so well characterised, but cheap and reliable).
>
>Mike
>
>
Mr. Ware, I believe I've read an article by you in View Camera magazine
describing the ammonia-based Platinum process. Has this ever been tried on
Kallitypes? Any chance that it may work? Love to hear about that.
Bye,
Adam