RE: Is there a chemist in the house?

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From: Temi (Temi@TemiOriginals.com)
Date: 11/18/02-05:40:00 AM Z


Eric - Thank you VERY much for all the information. I have decided that
I am "in over my head" at this point in time. Your comment --- How ever
you do it, do it safely. ; ) --- made me stop and really think. The
semester is almost over - and this semester is my first experience with
alternative processes - and I haven't as yet located directions for
mixing the No. 1 solution from the powders. So I am saying "Ziatype
Goodbye for now" as it has given me quite a run around.

I have experimented with cyanotype, van dyke and gum this semester and
enjoyed them very much. I have also completed the hinge-back frame I was
making. The Ziatype kit from B&S comes ready to use; but, mine came with
only 2 jars containing the powders for the #1 solution and a bottle of
ferric oxalate in solution. My kit took TOO MUCH of this semester's time
trying to research various things in order to try the Ziatype. Even if I
would try to mix the powders, then I would only have 'one bottle' of the
5 bottles that come with the B&S kit. I will just continue with the
other three processes to finish my printing this semester.

I have enjoyed this list very much. Thank you to everyone contributing
information. When I first joined the list a lot of what was said was
over my head. It was quite a while before I knew what POP was referring
to. Of course, a lot is still over my head and will probably always be.
But, I plan to continue with some of the Alt processes and gain
knowledge as I go.

Temi

-----Original Message-----
From: Eric Neilsen [mailto:e.neilsen@worldnet.att.net]
Sent: Sunday, November 17, 2002 9:12 PM
To: alt-photo-process-l@sask.usask.ca
Subject: RE: Is there a chemist in the house?

Temi, As the "creator" of the Ziatype has spoken I feel that I need not
add to it : ) but I will. If you are making Ziatypes, than No, it is a
part of the process. If you are making platinum/palladium prints than
yes, with this reservation. Water is only a very weak developer for DOP
or regular platinum/palladium prints. You can see the image appear on
your paper with FO but it will not be a strong image. It varies with
humidity and will vary will different ferric oxalates.

Water is not a recommended developer with DOP platinum prints.

There are a whole host of developers for Noble printing ( my term for
the family of platinum/palladium printing). Some printers use a
combination of AFO and FO in the coating solutions. It is really quite
open to playing around with combinations. You will find that some are
more stable than others; a longer shelf life. If you do use both AFO
and FO together, than it would be best to use a highly active developer,
such as Potassium Oxalate or Ammonium Citrate,... Remember that with
making combination, some work better very subjectively so have fun and
play.

How ever you do it, do it safely. ; )

Eric Neilsen Photography
4101 Commerce Street
Suite 9
Dallas, TX 75226
http://e.neilsen.home.att.net
http://ericneilsenphotgraphy.com

-----Original Message-----
From: Temi [mailto:Temi@TemiOriginals.com]
Sent: Sunday, November 17, 2002 5:32 AM
To: alt-photo-process-l@sask.usask.ca
Subject: RE: Is there a chemist in the house?

Eric, if I use these chemicals in the Ziatype process, will both still
allow for a printing-out-process without using a developer? Temi

-----Original Message-----
From: Eric Neilsen [mailto:e.neilsen@worldnet.att.net]
Sent: Saturday, November 16, 2002 10:52 PM
To: alt-photo-process-l@sask.usask.ca
Subject: RE: Is there a chemist in the house?

You will get slightly different results, but with platinum/palladium
printing quite so. There are several variations of ferric oxalate that
are interchangeable. They are not identical formula.

Eric Neilsen Photography
4101 Commerce Street
Suite 9
Dallas, TX 75226
http://e.neilsen.home.att.net
http://ericneilsenphotgraphy.com

-----Original Message-----
From: Temi [mailto:Temi@TemiOriginals.com]
Sent: Saturday, November 16, 2002 9:01 PM
To: alt-photo-process-l@sask.usask.ca
Subject: Is there a chemist in the house?

Hello - My question is this - Are ferric oxalate and ammonium ferric
oxalate interchangeable when preparing an emulsion? I believe the answer
is that they are not but can you verify this. Thanks for your help. Temi


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