[pure-silver] Re: Sistan and Senior Moments
- From: hksvk <hksvk@xxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 17 Aug 2007 22:42:06 -0400
What about drying prints on a double clothes line arrangement, with the
distance between the lines just short of one of the dimensions of the paper.
Now the print can be hung from two points along the top edge. If two prints
are hung back-to-back and with the bottom corners clipped together also,
they dry very flat.
---Harry
on 8/16/07 6:07 PM, Jeff Howe at jhowe@xxxxxx wrote:
> Adrienne;
>
> Ryuji speaks about Sistan here:
>
> http://www.apug.org/forums/forum37/23823-rc-paper-how-unarchival-8.html#post28
> 7392
>
> You're already using selenium, and FB, and the problem Ctein "cured"
> with Sistan is, IIRC, most seen in some RC papers. Again, IIRC, Dave
> Valvo spoke to that on this list.
>
> Given that, why use Sistan? If you don't like the color of your paper
> in selenium toned to completion, try a different developer first.
> Dektol, LPD and Cold-72 all produce different results with selenium
> toning. Also, some papers show little color shift, like Ilford MGIV.
>
> The added benefit is that you can discontinue your search on e**y for
> vintage VW wiper blades. ;-)
>
>
> ----- Original Message -----
> From: "Adrienne Moumin" <photowonder2010@xxxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Thursday, August 16, 2007 2:09 PM
> Subject: [pure-silver] Sistan and Senior Moments
>
>
> | I was about finished drafting a reply (long and with many snipped
> excerpts,
> | of course!!), when I accidentally closed the window I was working in!
> | Danged digital........can't we just have a 1,200-way phone conference
> about
> | all this stuff??!! So here's the Reader's Digest version:
> |
> | Turns out I wasn't squeegeeing the prints (despite advice to the
> contrary
> | back in 2005--the archives don't lie)! I have just added this to my
> | darkroom reference notebook so I will not forget again! I'm certain
> these
> | dripping wet prints face down on the screens must be the cause. I
> can't
> | compare it to any other prints because I dry everything else face up.
> Due
> | to time and space constraints I batch-process: print a bunch of
> prints;
> | wash; dry. Then I "batch" selenium/wash/Sistan. It is only the last
> step
> | where I dry face down to avoid pooling of sistan in the wavy
> depressions of
> | the prints.
> |
> | The reason I don't dry FB face down in the first step is because it's
> a
> | major PITA to clean my screens so I don't do it as often as I should;
> my
> | ribbed-bottom sink, too narrow for the screens anyway, prevents laying
> down
> | & scrubbing which I would prefer to do, so I use the very smelly Edwal
> Tray
> | Rack & Tank Cleaner, let sit, and rinse thoroughly.
> |
> | What concerns me now is Richard's post (excerpted) about the lack of
> | protection afforded by dilute KRST (which research I couldn't find on
> the
> | IPI website, I would've loved to read it!):
> |
> | > > Very dilute solutions of Kodak Rapid Selenium Toner do
> | > >not tone all densities uniformly. While early resarch showed
> | > >KRST to be an effective protective treatment it appears to
> | > >have changed in some way about 20 years ago. After that
> | > >change it was no longer effective in weak dilution. The
> | > >research showing this was carried out by the Image
> | > >Permenance Institute of the Rochester Institute of
> | > >Technology. At stronger dilutions KRST is effective but will
> | > >change the color or density or both of the image.
> |
> | I am strongly partial to cold-tone prints (this is AHT, after all!!),
> so
> | short of using Ilford papers exclusively I'm not sure how to approach
> this
> | one, because I don't know whether Sistan alone is sufficient to afford
> | protection (relevant excerpt below):
> |
> | > >Date: Tue, 14 Aug 2007 22:42:49 -0700 (PDT)
> | > >From: titrisol <titrisol@xxxxxxxxx>
> | > >Subject: [pure-silver] Re: word from ilford
> | > >
> | > >One of the advantages of the Ilford papers (not the Warmtone) is
> | > >that they tone poorly in Selenium, with almost no change in
> | > >color. Just that green tinge leaves for a richer gray scale,
> | > >also IMHO the contrast range is not affected.
> |
> | Trading old problems for new, and enormously grateful, as always, for
> all
> | the help and advice!
> |
> | Adrienne Moumin
> | ***************************************
> | on the web at: http://www.picturexhibit.com
> | Saatchi Gallery: http://tinyurl.com/hw6r3
> | Art DC: http://tinyurl.com/vtjqf
> | ***************************************
> |
> | _________________________________________________________________
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