Re: How Much PMK

From: Eric Nelson ^lt;[email protected]>
Date: 10/02/05-01:11:36 PM Z
Message-id: <>

I would 2nd that motion!
If for alt printing, although I've not tested it in
any way other than processing, the HD-Pyrocat gave
less B+F stain which will probably translate into more
manageable printing times for alt.

I did some 4x5 in PMK once for alt and the printing
times using Albumen Works POP was way over an hour
from the heavy staining. 10 changes of water after
hypo clearing should be adequate in a drum.

--- Sandy King <> wrote:

> Jeffrey,
> I would recommend 500ml of solution, per 8X10 sheet
> of film.
> However, PMK is not the best staining developer for
> rotary
> processing, at least IMHO. You will get less general
> stain with
> either Rollo Pyro or Pyrocat-HD. PMK oxidizes very
> rapidly with
> rotary processing and the result will be increased
> B+F stain. This is
> especially troubling with the long development times
> required for
> alternative printing.
> Sandy
> >One nice thing about this list is a lot of wheels
> have already been invented.
> >
> >It would be appreciated if someone familiar with
> PMK could tell me
> >how much total volume of rolo PMK are required to
> develop a typical
> >8x10 film using a tube. The concern is to not
> deplete the developer
> >so as to get consistent results no mater the
> densities on the film.
> >I currently tray develop with 1030 ml PMK
> (10-20-1000) per each 8x10
> >and have not checked the capacity.
> >
> >Thank you in advance.
> >
> >--
> >Jeffrey D. Mathias
> >

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Received on Sun Oct 2 13:11:46 2005

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