EMBEDDING PAINT CROSS-SECTION SAMPLES IN POLYESTER RESINS: PROBLEMS AND SOLUTIONS
MICHELE DERRICK, LUIZ SOUZA, TANYA KIESLICH, HENRY FLORSHEIM, & DUSAN STULIK
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SUPPLIERSMaterials tested in this study were obtained from the suppliers listed below. These products are also available from other suppliers that specialize in general laboratory and microscopy products.Butylmethyl methacrylate (acrylic)
Ladd Research Industries, Inc., Burlington, Vt., 05402; (802) 658–4961Bio-Plastic (polyester)
Ward's Natural Science, P.O. Box 92912, Rochester, N.Y.; (800) 962–2660Cab-O-Sil (coated fumed silica)
Conservation Materials Ltd., 1165 Marietta Way, P.O. Box 2884, Sparks, Nev. 89431;, (702) 331–0582Caroplastic (polyester)
Carolina Biological Supply Company, 2700 York Road, Burlington, N.C. 27215; (800) 334–5551, Buehler, 41 Waukegan Road, Lake Bluff, Ill., 60044; (800) 283–4537Castolite (polyester)
The Castolite Company, Woodstock, Ill. 60098;, (815) 338–4670Epon 812 (epoxy)
Ted Pella, Inc., P.O. Box 2318, Redding, Calif., 96099; (916) 243–2200Fluorescein isothiocyanate (FITC)
Molecular Probes, Inc., 4849 Pitchford Ave., Eugene, Oreg. 97402; (503) 465–8300.Krazy Glue and Krazy Glue Gel (cyanoacrylate)
Distributed by Borden, Inc., HPPG, Columbus, Ohio 43215LR White (acrylic)
Ladd Research Industries, Inc.LX-112 (epoxy)
Ladd Research Industries, Inc.Maraglas 655 (acrylic)
Ladd Research Industries, Inc.Paraplast (wax)
Ladd Research Industries, Inc.Pelco, embedding molds
Ted Pella, Inc.Rhoplex AC-33 (acrylic emulsion)
Rohm and Haas Co., Philadelphia, Pa., Distributed by Conservation Materials, Ltd.Silica, fumed
Aldrich, 1001 W. Saint Paul Ave., Milwaukee, Wisc. 53233; (800) 558–9160Quetol 523M (acrylic)
Ted Pella, Inc.SPURR (epoxy)
Ted Pella, Inc.Vestopal W (polyester)
Ladd Research Industries, Inc.
MICHELE R. DERRICK graduated from Oklahoma State University in 1979 with an M.S. in analytical chemistry. In 1983 she joined the scientific program of the Getty Conservation Institute, where she is currently an associate scientist. Her research involves the development of new methods for the characterization and identification of organic materials in cultural objects primarily using infrared spectroscopy and pyrolysis gas chromatography. Address: Getty Conservation Institute, 4503 Glencoe Ave., Marina del Rey, Calif. 90292.
LUIZ A. C. SOUZA received his B.S. (1986) and M.Sc. (1991) in chemistry from the Federal University of Minas Gerais. The experimental work for his M.Sc. was done at the Institut Royal du Patrimoine Artistique, Brussels (1987–88). Since 1989 he has been teaching and researching at the CECOR Center for Conservation and Restoriation of Movable Cultural Properties of the Federal University of Minas Gerais, Brazil. He is currently a research fellow at the Getty Conservation Institute. Address: CECOR, Escola de Belas Artes, Universidade Federal de Minas Gerais, Av. Antonio Carlos, 6627, Belo Horizonte 31270, MG, Brazil.
TANYA L. KIESLICH received her B.S. from Loyola Marymount University in 1992 with a major in chemistry and a minor in art history. As part of her undergraduate research, she used infrared microspectroscopy for the analysis of paint samples. She is currently attending the Courtauld Institute of Art for a postgraduate diploma in the conservation of easel paintings. Address: Courtauld Institute of Art, Dept. of Conservation and Technology, Somerset House, Strand, London WC2R ORN, England.
DUSAN C. STULIK graduated from Charles University in Prague, Czechoslovakia, with B.S. and M.S. degrees in chemistry. He subsequently obtained a Ph.D. in physics from the Czechoslovakia Academy of Sciences. He is currently acting head of the scientific program at the Getty Conservation Institute. His current research is in the application of modern scientific methods in conservation science. Address: same as for Derrick.