From: Nick Makris (nick@mcn.org)
Date: 06/01/01-05:16:41 PM Z
I also had this problem with Cranes and Cranes replace the entire batch.
Nick
----- Original Message -----
From: "Jason Plunkett" <jrplunkett1@home.com>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Friday, June 01, 2001 3:10 PM
Subject: Re: Black Spots in Ziatype
> I had this problem too... but only with Crane's Platinotype. I switched
to
> Arches Platine and have never seen the black spots again. My coating
> procedure was the same for both papers.
>
> Jason Plunkett
> ----- Original Message -----
> From: "Nash Computer Technology" <nashcom@btinternet.com>
> To: "Alt Photo" <alt-photo-process-l@skyway.usask.ca>
> Sent: Wednesday, May 30, 2001 4:08 PM
> Subject: Black Spots in Ziatype
>
>
> > Hi
> >
> > The other night I tried to make around five ziatypes from the same
> negative.
> > Of these, three were spoiled by a tiny black mark on a light area of the
> > print. The marks were in a different place on each print, and were the
> size
> > of a pin-prick.
> >
> > I'm not sure what caused these. My first thought was dust, but I assume
> > that dust would cause a white spot. I couldn't see any marks on the
neg,
> > and in any case the spots were in a different place.
> >
> > Could it be a problem in the coating, although I would have expected to
> see
> > more, and or larger spots?
> >
> > Or maybe the prints are picking up something when being cleared? I
clear
> > them in open trays, with changes of citric acid and water.
> >
> > Any ideas would be most welcome - I may need to carry out more 'print
> runs'
> > and it can be frustrating when it takes more than an hour to make a
print,
> > only to find a small but annoying flaw.
> >
> > David Nash
> >
>
>
>
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