[Alt-photo] Lecture: Removing Residual Iron from Platinum and Palladium Prints

Greg Schmitz lists at gregschmitz.com
Sun Oct 11 00:52:14 UTC 2015

This is from the most recent edition of Conservation DistList (ConsDist 21:29). I thought it might be of interest to some here.



Date: 9 Oct 2015
From: Mary Oey <moey<-a t->loc< . >gov>
Subject: Library of Congress Topics in Preservation Series (TOPS)

Library of Congress
Topics in Preservation Series Lecture

"Removing Residual Iron from Platinum and Palladium Prints"
Pickford Theater
Library of Congress
101 Independence Ave SE
Washington, DC 20540
James Madison Memorial Building, 3/F
Wednesday, October 28, 2015
10-11 am

Lecture by Dana Hemmenway and Matthew Clarke

Remote access available by webcam

Platinum and palladium photographs often exhibit staining caused by
residual iron from the original processing of the print.  Dana
Hemmenway, Senior Photograph Conservator in the Library of Congress
Conservation Division and Matthew Clarke, Photographic Materials
Scientist at the National Gallery of Art (currently at the Freer and
Sackler Galleries), present research investigating the efficacy of
various chelators to reduce residual iron and minimize visible
staining in platinum and palladium prints.

The event is free and open to the public.  For more information and
to register for remote access, please see


Mary Oey
Conservation Division
Library of Congress

"Society is composed of persons who cannot design, build, repair, or
even operate most of the devices upon which their lives depend.  In
this sense, specialists of various stripes are left to trade on each
other's ignorance."
                                 -Langdon Winner
                                  AUTONOMOUS TECHNOLOGY (MIT 1977)

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