Paper Conservation: Decisions & Compromises
Paper Conservation: Decisions & Compromises
Paper Conservation: Decisions & Compromises
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Acknowledgments<br />
The authors would like to acknowledge<br />
the important contributions from the<br />
rest of the Ptolemy research team, Dan<br />
DeSimone, Fenella France and Eliza<br />
Spaulding, as well as Cindy Connelly-<br />
Ryan, Meghan Wilson, John Hessler and<br />
Carrie McNeal.<br />
Authors<br />
Lynn Brostoff | Sylvia R. Albro |<br />
John Bertonaschi<br />
Library of Congress, Washington, D.C.,<br />
USA, lbrostoff@loc.gov<br />
References<br />
1 Albro, Sylvia, John Bertonaschi, Lynn<br />
Brostoff, Daniel De Simone, Fenella<br />
France, and Eliza Spaulding. 2011. Solving<br />
the Ptolemy Puzzle. Book and <strong>Paper</strong> Annual<br />
30: 5-8.<br />
2 Brostoff, Lynn, Sylvia Albro, John Bertonaschi,<br />
and Eliza Spaulding. 2011. The<br />
Relationship between Inherent Material<br />
Evidence in Cultural Heritage and Preservation<br />
Treatment Planning: Solving the<br />
Ptolemy Puzzle, Part II. Book and <strong>Paper</strong><br />
Annual 30: 29-33.<br />
3 Sylvia Albro, John Bertonaschi, Lynn<br />
Brostoff, Dan DeSimone, Fenella France<br />
and Eliza Spaulding. The <strong>Paper</strong>s in the<br />
Ptolemy Puzzle. Oral presentation by<br />
Sylvia Albro. 31 st Congress of the International<br />
Association of <strong>Paper</strong> Historians<br />
(IPH), 17 Sept. 2012, Basel, Switzerland.<br />
IPH Congress Proceedings, vol. 19: in<br />
press.<br />
4 Lynn Brostoff, Sylvia Albro, Alice Han,<br />
Josefina Maldonado, Jae Anderson, John<br />
W.N. Brown, and Michael Glascock. In<br />
press. Quantitative X-ray Fluorescence<br />
Methodology for Examination of Cultural<br />
Heritage on <strong>Paper</strong>. In Research<br />
and Technical Study Specialty Group<br />
Postprints, The American Institute for<br />
<strong>Conservation</strong> of Historic and Artistic<br />
Works (AIC) Annual Conference, May<br />
10, 2012: http://www.conservationus.org/index.cfm?fuseaction=page.<br />
viewpage&pageid=1663<br />
TABLE II: Metal Content in Nona Asiae Tabula Map <strong>Paper</strong><br />
Before and After Treatment As Determined by XRF<br />
ave. ppm<br />
before<br />
treatment<br />
(no<br />
offset<br />
areas)<br />
variation<br />
in paper<br />
ave. ppm<br />
after<br />
treatment<br />
step 1<br />
total<br />
change<br />
ave. ppm<br />
after<br />
treatment<br />
step 2<br />
total<br />
change<br />
ave. ppm<br />
after<br />
treatment<br />
step 3<br />
total<br />
change<br />
ave. ppm<br />
after<br />
treatment<br />
step 4<br />
total<br />
change<br />
K 11000 12% 7800 (-29%) 8100 (-26%) 1100 (-89%) 980 (-91%)<br />
Ca 4500 9% 4500 nd 4800 nd 4300 nd 5300 slight<br />
gain<br />
Fe 730 7% 670 nd 710 nd 730 nd 710 nd<br />
Cu 330 28% 310 nd 340 nd 410 nd 420 nd<br />
Ca<br />
6.2 6.7 6.8 5.9 7.5<br />
Fe<br />
nd = not detected<br />
ICOM-CC Graphic Documents Working Group Interim Meeting | Vienna 17 – 19 April 2013<br />
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