[pure-silver] Re: Adding Pot Bromife to PC-TEA
- From: Jordan Wosnick <jwosnick@xxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Fri, 07 Jan 2005 15:45:37 -0500
Ryuji Suzuki wrote:
> I don't think ionized state is of that much importance to photography
> here. What I think is most interesting is to run cyclic voltammetry to
> find effective ligand for ferrous ions at pH of 8.
The importance lies in the fact that ascorbate oxidizes more
quickly that ascorbic acid. This can affect keeping properties.
> New Tri-X is somewhat strange. I would not develop this film in the
> same tank as other films even if the development times individually
> obtained are the same. This is particularly true with DS-10 and
> probably XTOL.
In my case it was "old" Tri-X developed in the Gainer developer, on
its own. As I don't use much Tri-X, I'm not devastated by these
strangely foggy results.
Jordan
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