[Alt-photo] Alt-photo-process-list Digest, Vol 177, Issue 5

Anne Chansonette chansonette at gmail.com
Thu Oct 12 01:19:58 UTC 2017


Siegfried,
     That's a good idea. I can't think of anyone or anyplace off the top of
my head, but I will hold that thought and see if I can find a place to do
that. Thanks for the idea!

Anne

On Wed, Oct 11, 2017 at 8:49 PM, Siegfried Rempel <siegfriedrempel at gmail.com
> wrote:

> Anne do you have someone, a colleague near by that doesn't have the
> problem that would allow you to print a trial print with your new supplies?
> It might help identify if the issue is associated with your physical
> environment.
>
> Sent from my iPhone
>
> > On Oct 11, 2017, at 5:37 PM, Anne Chansonette via Alt-photo-process-list
> <alt-photo-process-list at lists.altphotolist.org> wrote:
> >
> > Hey Mark,
> >
> >     That's a good idea---to coat a piece of paper and leave it in the
> dark
> > room to see if anything settles on it. Denny also has a good point with
> the
> > hair dryer.
> >
> >     So far I have tried:
> >
> > New brush
> > New chemistry (have been buying FO in solution from B & S- will try
> buying
> > dry from Artcraft next)
> > Tearing my paper with a glass edge rather than a stainless steel rule
> > Replaced droppers and all other containers used for soaking brushes or
> > mixing sensitizer
> > Thoroughly cleaned workspace and put clean paper down on table
> > Use only distilled water
> >
> >     I print on Hahnemühle platinum rag. As I told Chris in our off-list
> > exchange, I tried coating a piece of Rives that I had kicking around for
> > gum and it was much worse. I saw the plague spots after the coated paper
> > sat for a few minutes, before even exposing or developing. Generally on
> the
> > HPR, I am not seeing the spots until after development. However, I want
> to
> > make 100% certain that is the case. I was out of the lab this week and
> had
> > to travel, but now that I am back I am ready to start from scratch and
> get
> > this resolved.
> >
> >     Thanks again, I will post results of the next round of investigation.
> > Or I'll start drawing birds lol ;)
> >
> > Anne
> >
> >
> >
> > On Wed, Oct 11, 2017 at 4:35 PM, MARK NELSON via Alt-photo-process-list <
> > alt-photo-process-list at lists.altphotolist.org> wrote:
> >
> >> Anne,
> >>
> >> Maybe coat a sheet of paper and leave it in your darkroom in total
> >> darkness for a couple of days on a counter where you work.  See if
> >> something is settling on it?
> >>
> >> It could even be clothes that you wear…. so if I were in my metal shop
> and
> >> grinding tool steel, then went to make a print…I would have a print that
> >> looks like I spilled pepper on it.
> >>
> >> Best Wishes,
> >> Mark Nelson
> >>
> >> Welcome to the Precision Digital Negatives Home! <http://www.
> >> precisiondigitalnegatives.com/>
> >> PDNPrint Forum at Yahoo Groups <https://groups.yahoo.com/neo/
> >> groups/PDNPrint/info>
> >> Mark I. Nelson Photography - Welcome <http://www.markinelsonphoto.com/>
> >> CURVE CALCULATOR III FOR THE MAC NOW AVAILABLE!!!!
> >>
> >>>> On Oct 11, 2017, at 11:11 AM, alt-photo-process-list-
> >>> request at lists.altphotolist.org wrote:
> >>>
> >>> Thanks Denny- that s exactly what I ve been doing and I know what to
> >> look for, but it s been hard to pinpoint the problem in my own set up.
> I m
> >> starting at square one again and beginning the process of systematic
> >> elimination once more. I am fairly certain it is metal contamination
> early
> >> in the printing process, just can t seem to eliminate it no matter what
> I
> >> do. I m going to try new FO and mix my own this time - that s about the
> >> only thing so haven t done. After that, I m wondering how to check for
> >> metal particulates in the environment, beyond the obvious rusty
> >> pipes/hinges etc.
> >>
> >> _______________________________________________
> >> Alt-photo-process-list | altphotolist.org
> > _______________________________________________
> > Alt-photo-process-list | altphotolist.org
>


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