THE EFFECT OF SUPERCRITICAL CARBON DIOXIDE EXTRACTION ON COLOR RETENTION AND PESTICIDE REDUCTION OF WOODEN ARTIFACTS
SUNG MO KANG, ACHIM UNGER, & J.J. MORRELL
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SOURCES OF MATERIALSAzurite, Bologna chalk, bone glue, canvas, champagne chalk, Cremnitz white, cinnabar, colophony, gold lacquer, Klucel E, lapis lazuli, mastic, Naples yellow, poppyseed oil, Primal AC 35, red lead, sandarac, shellac, skin glue, smalt, stone chalk, titanium white, turpentine oil, zinc white
Dr. Georg Kremer Farbmühle D-88317 Aichstetten/Allgäu GermanyBlanc fixe, copal of Manila, damar, benzoe, linseed oil, lithopones, marble powder, tow, potassium carbonate, terra di Siena
Firma Propolis Oranienstraße 14a D-10997 Berlin GermanyGreen chromium oxide hydrate, English red, gold ocher, mixtion (for leaf gold and leaf silver), Primacryl, resin/oil medium (Mussini), ultramarine blue, ultramarine blue (light)
Firma H. Schmincke & Co. Otto-Hahn-Str. 2 D-40699 Erkrath GermanyRembrandt oil paints with Naples yellow (table 1, no. 10), cinnabar (table 1, no. 18) and Cremnitz white (table 1, no. 21)
Royal Talens B.V. Postbus 4 NL-7300 AA Appeldoorn/Holland The NetherlandsAmmonia casein, beeswax, casein, gelatin, leaf gold (citron gold, ducat gold), leaf silver, rabbit skin glue, red bole, white bole
Firma W. Wasner, Blattgold GmbH Wallenrodstr. 8–10 D-91126 Schwabach Germany
SUNG-MO KANG received his M.Sc. and Ph.D. degrees in wood science from Oregon State University, Corvallis, Oregon, in 1998 and 2002, respectively. He is a research associate in the Department of Forest Products at Korea Forest Research Institute in the Republic of Korea. His research interests include stain fungi and their control, preservative treatment of refractory species, supercritical fluid biocide impregnation and extraction of wood-based materials, and the migration of preservatives from treated wood. Address: Korea Forest Research Institute, 207 Cheongnyangni-Dong, Dongdaemun-Gu, Seoul, 130-712, Republic of Korea
ACHIM UNGER received a Ph.D. in natural sciences from the Academy of Agricultural Sciences in Berlin, Germany. At present he is senior chemist in the Rathgen-Forschungslabor, Staatliche Museen zu Berlin. His research focuses on the analytical investigation of art objects made from organic materials, wood consolidants, pest control, and decontamination of biocides. He is co-author of Conservation of Wood Artifacts (2001). Address: Rathgen-Forschungslabor, Staaliche Museen zu Berlin, Preussischer Kulturbesitz, Berlin, Germany
JEFFREY J. MORRELL received his B.S. and Ph.D. in forest pathology from the State University of New York College of Environmental Science and Forestry and his M.S. in plant pathology from Penn State. He is currently a professor in the Department of Wood Science and Engineering at Oregon State University. His research interests include aspects of biodeterioration and its prevention. Address: Department of Wood Science and Engineering, 119 Richardson Hall, Corvallis, Ore. 97333