[pure-silver] Re: JandC Pro 100 and 620 film

  • From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
  • To: <pure-silver@xxxxxxxxxxxxx>
  • Date: Wed, 25 May 2005 15:01:05 -0400

I never presoak and saw no trace of antihalation dye in either of the
two developer baths.  The dye may have been decolorized in bath A since
it contains a large amount of sulfite.  I did see a slight yellow color
in bath A and a similar shade in the fix.  The negatives themselves
exhibited no color.

Jerry

-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of titrisol
Sent: Wednesday, May 25, 2005 2:34 PM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: JandC Pro 100 and 620 film


I don;t know if it is a classic emulsion but what never fails in this
film is the off-yellow color it leaves in the fixer. After leaving that
toilt-bowl blue in presoak, devellopent, water stop, the fixer comes out
with a yellow/peach tinge that i don;t like

--- Ryuji Suzuki <rs@xxxxxxxxxxxxxxx> wrote:
> From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
> Subject: [pure-silver] JandC Pro 100 and 620 film
> Date: Wed, 25 May 2005 09:45:55 -0400
>=20
> > This film is made in China and is a classic emulsion.
>=20
> How do you know?  I make various kinds of emulsions with parameters
> designed to precipitate mostly one kind of crystal, but except
> scanning electron microscopy there is no hard evidence I can
> use to
> show the emulsion is in a specific crystalline habit.
>=20
> --
> Ryuji Suzuki
> "Keep a good head and always carry a light camera."
>
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>=20


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