[pure-silver] Re: Kodak sells sensor business
- From: Dennis P <dlp4777@xxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Fri, 11 Nov 2011 07:53:39 -0800
On Nov 11, 2011, at 7:42 AM, Eric Nelson wrote:
> How do you process your sheet film? Do you use PMK in trays?
>
> I switched a while back to pyrocat hd as it is recommended for rotary, which
> I use, and am happy with it, although I never made a direct comparison w/PMK.
> Haven't run any 8x10 in any pyro formula in some time but experienced
> unevenness using a Jobo & PMK years ago as well as with 120 films. I would
> dump and refill w/new developer 1/2-way through the process for the
> oxidation, presoak etc.
>
> I used to process w/PMK with the original recommendation of using the used
> developer as an after bath after fixing, which is no longer recommended, and
> it created an extreme blockage of UV for palladium et al. I've not tried a
> pyrocat hd neg w/palladium.
> The one downside of pyrocat is there's no centralized, authoritative source
> of dev. times online that I've found and the application of 1:1:100 vs
> 2:2:100 dilutions has never been clear to me. Some sites I see 2:2:100 being
> applied for silver and others I saw saying that2:2:100 was only for 'alt'.
> e
>
I have been processing my 8x10 film as well as 120 in Pyrocat HD for going on a
year now. I do print it in platinum/palladium and have been following the
recommendation I read of 1-2-100 though I have switched to sodium carbonate in
part B. (Not supposed to make a difference)
In my recent experience that gives me very good contrast, close to too much
contrast though the negs don't look all that dense.
My recent problems with some old film having started to yellow with age and
print unevenly in platinum my be solved with processing in Pryocat which gives
a brownish neg. Now it makes me wonder if perhaps I could soak the yellowing
negs in PMK developer and give a more tone to them.
Dennis
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