[pure-silver] Re: [inconsistent shaking of developer
- From: "Eric Neilsen Photography" <eric@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 14 Oct 2005 07:31:41 -0500
Richard, I suspect incomplete mixing to begin with rather than a separation
later. When mixing HC110 I almost always make a standard stock solution.
However, when mixing Ilford Ilfotec HC I make small 1 liter batches. I use
warm to hot water to rinse my graduate out after measuring. I can see that
some may not get good consistency from liquid developer, if a short shake or
cool water is used. I not saying one should sake so vigorously to create
bubbles, but new batches should be stirred well.
Eric Neilsen Photography
4101 Commerce Street, Suite 9
Dallas, TX 75226
214-827-8301
http://ericneilsenphotography.com
> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-
> bounce@xxxxxxxxxxxxx] On Behalf Of Richard Knoppow
> Sent: Friday, October 14, 2005 12:23 AM
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: [inconsistent shaking of developer
>
>
> ----- Original Message -----
> From: "Shannon Stoney" <sstoney@xxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Thursday, October 13, 2005 3:58 PM
> Subject: [pure-silver] [inconsistent shaking of developer
>
>
> > Eric wrote:
> >
> >>Shannon, Did you first and foremost make sure that your
> >>developer was well
> >>mixed? Just because you start with a liquid developer
> >>doesn't mean that you
> >>don't need to mix it up. I had a bad experience with
> >>someone that used one
> >>of my darkrooms years ago. He made some HC110 to process
> >>some film and
> >>complained that his film was thin, but he marked it up to
> >>under exposure. We
> >>went to process some of our enlarged negative materials
> >>and every thing was
> >>extremely weak. I soon noticed that the color in the
> >>bottle was not
> >>uniformed and the difference was not shadowing but rather
> >>that it was not
> >>fully mixed. Shook the bottle and WOW! Back to expected
> >>results. We even
> >>trimmed the dilution a little to compensate for poor
> >>mixing.
> >
> >
> > I did two more batches this afternoon, carefully shaking
> > the DDX bottle before diluting, and it seemed to help.
> > Most of the negatives are correct now, and the ones that
> > aren't were probably bad due to human error (mine).
> >
> > I exposed some older film this afternoon and processed it,
> > and it seemed to do fine, as well as the newer film, so it
> > probably wasn't the film age.
> >
> > I will write a big sign on my developer : SHAKE!!! So I
> > won't forget in the future.
> >
> > Thanks,
> >
> > --shannon
> >
> I am very puzzled by what could be in this developer that
> separates. AFAIK, the ingredients go into solution. Once in
> solution just gravity should not separate them. Developers
> are not like milk, which is not a solution but an emulsion.
> If subject to low temperatures its possible that something
> crystalizes but should go right back into solution once
> warmed up again.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
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