[pure-silver] Re: Developing Univex ultrachrome No. 00 film

  • From: Eric Nelson <emanmb@xxxxxxxxx>
  • To: "pure-silver@xxxxxxxxxxxxx" <pure-silver@xxxxxxxxxxxxx>
  • Date: Sun, 5 Feb 2012 14:29:09 -0800 (PST)

I found that it's a crap shoot.  You may get something you may not.  It may 
have fog or not. Overall density can be an issue making them pretty dense



________________________________
 From: Bogdan Karasek <BKarasek@xxxxxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx 
Cc: Eric Nelson <emanmb@xxxxxxxxx> 
Sent: Sunday, February 5, 2012 4:05 PM
Subject: [pure-silver] Re: Developing Univex ultrachrome No. 00 film
 

 
Hi Eric,

Thanks for responding....  I take it the restrainer is the
    Benzotriazole?

So 7-12 min in stock D-76.

I seem to remember reading that old films loose some of their
    contrast, hence their softness  (?)  So wouldn't the longer
    development time (12min) help what contrast is left?

Cheers,
Bogdan

On 05/02/2012 4:19 PM, Eric Nelson wrote: 
I think in discussions of old film processing the adding of a restrainer was 
not recommended.  There will be fog more than likely but a restrainer probably 
won't help.
>
>a 7-12 minute development will probably be OK.
>e
>
>
>________________________________
> From: Bogdan Karasek <BKarasek@xxxxxxxxxxxx>
>To: pure-silver@xxxxxxxxxxxxx 
>Sent: Sunday, February 5, 2012 2:58 PM
>Subject: [pure-silver] Developing Univex ultrachrome No. 00 film
> 
>Hello all,
>
>A neighbour recently gave me a box filled with old cameras
            and film.  Inside, I found 4 rolls of Univex ultrachrome No.
            00 film and it is marked EXPOSED.  What information I have
            been able to find states that it was made in the 1940 by
            Gevaert of Belgium for Univex.  A label on the box says that
            it should be developed by 1949.
>
>Since I can't let sleeping dogs lie, I want to try
            developing the film.  I have no idea regarding the film's
            ASA and no info is forthcoming on the Internet..... So....
>
>Anybody have a clue as to the possible asa of this film and
            what would be the best way to proceed with development... 
            All ideas are welcome.  I have four EXPOSED rolls.    and I
            still have my 3.5 gal tank of stock D-76 which I was going
            to dump but decided I could develop the film by dunking it
            in the tank.  Probably have to add Benzotriazole to the
            D-76..... how much per litre/gal?  Anything else I can try? 
            I'll do one roll at a time, so I have 4 trys at finding the
            right combination to adequately expose one roll of the film.
>
>Thanks for any ideas...
>
>Cheers,
>Bogdan K
>
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