October 2004 Alt-photo-process-L: Re: Developing dryplates

From: MARTINM ^lt;martinm@SoftHome.net>
Date: 10/16/04-10:28:39 PM Z
Message-id: <003e01c4b401$c8a833d0$600ddb50@MUMBOSATO>

I assume the "Sodium sulfate" is supposed to be "Sodium SULFITE"...

Martin

----- Original Message -----
From: "Robert W. Schramm" <schrammrus@hotmail.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Sunday, October 17, 2004 4:25 AM
Subject: Re: Developing dryplates

>
> D-23 Developer
>
> Solution A
> Water @ 49oC 750 cc
> Elon (Metol) 7.5 gm
> Sodium Sulfate 100 gm
> Water to make 1000 cc
>
> Solution B
> Water @ 49oC 1000 cc
> Kodalk (sodium metaborate) 10 g.
>
> Use distilled water
>
> Immurse plate in solutioon A for about 5 min. at 20 o C
> Agitate for 5 sec every 30 sec.
>
> Then immurse plate in solution B for 3 min. at 20 oC
> Agitate for 5 sec. every 30 sec.
>
> Agitation is very important especially in solution B or streaking
> will occur.
>
> Note that 20 oC is room temperature. I have found that the times and
> temperatures are not critical.
>
> Other sources suggest a developing time of 9-14 minutes in A and
> 3 minutes in B.
>
>
> Good luck with this.
>
> Bob Schramm
> Check out my web page at:
>
> http://www.SchrammStudio.com
>
>
>
>
>
>
>
>
> >From: Timo Sund <timo@palaios.com>
> >Reply-To: alt-photo-process-l@sask.usask.ca
> >To: alt-photo-process-l@sask.usask.ca
> >Subject: Re: Developing dryplates
> >Date: Sat, 16 Oct 2004 11:19:09 +0300
> >
> >I´d be intersted.
> >
> >Robert W. Schramm wrote:
> >
> >>
> >>Since it is independent of time and temperature (more or less) I
> >>believe I would try a two-solution developer such as DIAFINE or
> >>D-23 which is no longer commercially available but I can give you
> >>the formula if you want it.
> >>
> >>Bob Schramm
> >>Check out my web page at:
> >>
> >> http://www.SchrammStudio.com
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>&gt;From: Timo Sund &lt;timo@palaios.com&gt;
> >>&gt;Reply-To: alt-photo-process-l@sask.usask.ca
> >>&gt;To: alt-photo-process-l@sask.usask.ca
> >>&gt;Subject: Developing dryplates
> >>&gt;Date: Fri, 15 Oct 2004 16:24:36 +0300
> >>&gt;
> >>&gt;This question come up to me as one friend bought old
> >>platecamera and
> >>&gt;it included several exposed dryplates undeveloped. They
are
> >>some
> >>&gt;80years old. How he should develope them?
> >>&gt;
> >>&gt;--
> >>&gt;Timo Sund
> >>&gt;Palaios Photos
> >>&gt;Finland
> >>&gt;http://palaios.com
> >>
> >>
> >>
> >
> >--
> >Timo Sund
> >Palaios Photos
> >Finland
> >http://palaios.com
>
>
Received on Sat Oct 16 22:30:07 2004