Re: Removing Cyanotype Solution from a Stouffer Wedge

Judy,

The Stouffer 21 step is produced on Ilford Ortho Plus film and the emulsion
is made up of little silver pieces:)

As far as cleaning the stain from the step wedge I'm not sure there is
anything that wouldn't also change the density of it (or bleach it). We've
noticed slight density changes when using basic film cleaner. And recently
we've discovered the old standby of Edwal's film cleaner leaves an oily
residue. Edwal's has changed the formula apparently.

Kevin Morris
Stouffer Industries

----- Original Message -----
From: "Judy Seigel" <jseigel@panix.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Wednesday, February 23, 2005 3:18 AM
Subject: RE: Removing Cyanotype Solution from a Stouffer Wedge

>
>
> On Tue, 22 Feb 2005, Robert W. Schramm wrote:
>
> > Try an alkali. Soak in sodium bicarbonate solution. If vthat doesn't
work.
> > try something stronger.
>
> There are probably a number of cyanotype bleaches in the kitchen or
> laundry-- ammonia, sodium carbonate, and /or borax. But after it bleaches
> you probably need to really wash it well -- otherwise I've seen the stain
> reappear. On the 3rd hand... what is the black in the Stouffer 21-step
> made of? I dimly recall reading somewhere that it's NOT silver... If it's
> not, the usual alkali bleach might not work (?),
>
> Judy
>
> >
> > Bob Schramm
> >
> >
> >
> > &gt;From: Michael Koch-Schulte &lt;mkochsch@shaw.ca&gt;
> > &gt;Reply-To: alt-photo-process-l@sask.usask.ca
> > &gt;To: alt-photo-process-l@sask.usask.ca
> > &gt;Subject: Removing Cyanotype Solution from a Stouffer Wedge
> > &gt;Date: Tue, 22 Feb 2005 16:29:40 -0600
> > &gt;
> > &gt;My cyanotype II solution was a wee bit too wet when I sandwiched my
> > Stouffer
> > &gt;21-T wedge onto it. Now my wedge has dots of blue cyano all over one
end
> > of
> > &gt;it! I tried soaking it in Sistan to remove it. No dice. What else
could I
> > &gt;use? Thx.
> > &gt;
> >
> >
>
Received on Fri Feb 25 07:34:56 2005