[pure-silver] Re: Kentmere Kentona Weirdness
- From: Ray Rogers <earthsoda@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 27 Nov 2008 06:33:44 -0800 (PST)
As the paper is quite old, I kind of doubt it is the new Kentmere product...
Uh let me check that- I just returned from there and heard they were having a
bit of trouble with something... I will see what it was.
Anyway, it is curious... They themselves seem to have stated that diluted
developer would help... and people testing the affected paper said that it was
fine in dektol, yet one person, IIRC said it failed in polymax, (which I
think(?)... Dave said was liquid Dektol)Also, seemes everyone agrees that some
6-12 months ago it worked fine.
I have read that cadmium may have had a stabilizing effect possibly with such
papers but don't quote me.
About yellowing in general, I sometimes had trouble with it when I am too egar
to inspect an image and I repeatedly pull it out of the developer to examine in
the safelight beam... this I guess really increases the occurence of oxidation
and with some paper/developer combinations it can cause drastic effects.
Luckily, I only allow this to happen with test strips!
Also, that is a warmtone paper... anyway, let me go check the story on what
Harman was having trouble with in the new kentmere line.
Ray
--- On Thu, 11/27/08, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
> From: Richard Knoppow <dickburk@xxxxxxxxxxxxx>
> Subject: [pure-silver] Re: Kentmere Kentona Weirdness
> To: pure-silver@xxxxxxxxxxxxx
> Date: Thursday, November 27, 2008, 10:01 AM
> ----- Original Message ----- From: "Ray Rogers"
> <earthsoda@xxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Wednesday, November 26, 2008 9:49 PM
> Subject: [pure-silver] Re: Kentmere Kentona Weirdness
>
>
> > Have you seen this?
> >
> http://photo.net/black-and-white-photo-printing-finishing-forum/00OWFw
> >
> > ???
> >
> > Ray
> >
> >
> Evidently Kentmere is having emulsion problems and
> doesn't want to admit it. Kentmere is now a part of
> Ilford. Ilford has been pretty good about answering e-mail
> and its worth trying them. I would copy the above URL to
> them too. Kentmere either had a bad batch or has
> contamination problems somewhere in the production or
> coating of the emulsion or the baryta layer or even the
> paper.
> As a general comment, developer should not make much
> difference, if the paper stains in one it will stain in all
> assuming it _is_ a paper problem. Of course old developer
> can cause staining but it has to be _very_ exhausted and
> that does not seem to be the problem. Its possible that some
> contaminant in the paper might take a while to makes its
> presence known.
>
> --
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
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