U of S | Mailing List Archive | alt-photo-process-l | RE: VDB


Yes Scott, it has to be fixed in a dilute fixer (5%) just
like normal VDB.  I fix my VDBs and I find that unless very
strict processing is followed for the VDB within a short
time I have a degraded image either from the iron or the
silver left in the print.  So a fix (and you call it hypo, I
think you are not referring to hypoclear are you?) is a
given for me, but if others don't do it, take their word for
it as well--your call.  
----- Original Message Follows -----
From: "Weber, Scott B" <sweber@mail.barry.edu>
To: "'alt-photo-process-l@usask.ca'"
Subject: RE: VDB
Date: Wed, 08 Apr 2009 13:25:40 -0400

>Still wondering if the hypo is needed for the VD layer.
>From: Christina Z. Anderson [mailto:zphoto@montana.net]
>Sent: Tuesday, April 07, 2009 10:43 PM
>To: alt-photo-process-l@usask.ca
>Subject: Re: VDB
>Hi Scott,
>I have had students do this successfully, if you expect
>weird results.  I posted three to my website that were done
>last year.Erika Skogg did a whole final project of these
>and they were most intriguing.
>I used to assign it to all students and actually I really
>liked what they produced, but it was an iffy proposition
>requiring time and attention that we were short on so now I
>require them to do combotypes of their choosing--either
>gum/pd, pd/cyano, gum/cyano, salt/gum, etc. BUT, back to
>VDB/cyano--students who are successful do it a couple
>different ways:  overexpose the cyano layer first, or
>dilute the VDB half with water, or a layer of size between
>the cyano and the VDB  of 1/3 gesso, acrylic matt medium,
>and water. Maybe this will help.
>This is the benefit of teaching, no?  I scan/photo all
>student work, so I have ready examples--thousands of
>them--to illustrate processes.  I should really just set up
>a website of all their incredible work.  This last month
>has been all gum and the lab is just glutted with prints
>hanging all over the place, prints soaking, and as is usual
>their "failures" are the ones I find most delectible. Chris
>Christina Z. Anderson
>----- Original Message -----
>From: joachim oppenheimer<mailto:joachim2@optonline.net>
>sk.ca> Sent: Tuesday, April 07, 2009 6:24 PM
>Subject: RE: VDB
>Sorry, Scott, you are dealing with a redux reaction,
>oxidation of the VanDyke  by the Cyanotype. Occasionally  I
>have been able  get results that seem to last a while (by
>using larger concentrations of Van Dyke but when I have
>gone back a couple years later to the prints I found that
>they had been eaten up by the blue dye. Try using Cyanotype
>over palladium or platinum, that works. .If someone has
>been able to make it work, I would also like to hear about
>it.  Joachim -----Original Message-----
>From: Weber, Scott B [mailto:sweber@mail.barry.edu]
>Sent: Tuesday, April 07, 2009 7:03 PM
>To: 'alt-photo-process-l@usask.ca'
>Subject: VDB
>I have been making cyanotypes and have tried putting a
>layer of Van Dyke over and really like the result. Question
>; do I need to fix the VDB layer with hypo. This seems to
>bleach out the cyan layer a bit. Or is there some other
>Scott B. Weber
>Associate Professor of Photography
>Department of Fine Arts
>Barry University
>Miami Shores, Florida
>305 899 4922

Assistant Professor of Photography
Photography Option Coordinator
Montana State University
College of Arts and Architecture
Department of Media and Theatre Arts, Room 220
P.O. Box 173350
Bozeman, MT 59717-3350
Tel (406) 994 6219