Ancient & Historic Metals Conservation and Scientific by David A. Scott, Jerry Podany, Brian B. Considine

By David A. Scott, Jerry Podany, Brian B. Considine

The 16 essays during this quantity mirror quite a lot of learn referring to tools for metals conservation, relatively in appreciate to historic and ancient items. the diversity of matters mentioned contains concerns within the cleansing of historic bronze vessels the strategies all for bronze casting, completing, patination, and corrosion experiences of producing thoughts of gold items in old African and medieval eu metalworking thoughts of mercury gilding within the 18th century an research of patina within the type of bronze surfaces from land and lake environments an exam of bronze gadgets from the Benin country, Nigeria the heritage of recovery of the Marcus Aurelius monument in Rome the corrosion of iron in structure and functions of radiographic tomography to the examine of steel gadgets.

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CONDAMIN, AND S. BOUCHER 1967 Recherches techniques sur des bronzes de Gaule Romaine II. Gallia XXV (1):153–68. 1969 Recherches techniques sur des bronzes de Gaule Romaine III. Gallia XXVI (2):245–78. PLINIUS DER ÄLTERE 1985 Über Kupfer und Kupferlegierungen, herausg: Projektgruppe Plinius 1984. Essen: Verlag Gluckauf. PLINY THE ELDER 1961 Natural History. Reprint. London: Heinemann. STEINBERG, A. 1973 Joining methods on large bronze statues: Some experiments in ancient technology. In Application of Science in Examination of Works of Art: proceedings of the seminar: June 15–19, 1970, 103–37.

Sulfate-reducing bacteria produce hydrogen sulfide in the organically rich soil close to the metal artifacts. It is unlikely that they grow on the bronze alloy, as they normally cannot resist more than 2,000 ppm of copper (McDougall 1966:11). 2. Copper is dissolved preferentially in the α-copper-tin grains, leaving a tin-enriched phase. 3. Copper ions from the metal, iron ions from the surrounding soil, and sulfur ions combine and precipitate as chalcopyrite. 4. The chalcopyrite forms a fairly uniform protective layer on the copper alloy.

Reprint. London: Heinemann. STEINBERG, A. 1973 Joining methods on large bronze statues: Some experiments in ancient technology. In Application of Science in Examination of Works of Art: proceedings of the seminar: June 15–19, 1970, 103–37. Boston: Museum of Fine Arts. TORELLI, M. 1989 Statua Equestris Inaurata Caesaris: mos e ius nella statua di Marco Aurelio. In Marco Aurelio: storia di un monumento e del suo restauro, 83–102. Milan: RAS. B I O G R A P H Y Maurizio Marabelli, chemist, is head of the Chemistry Laboratory at the Istituto Centrale del Restauro (ICR) in Rome, where he teaches chemistry at the ICR School of Restoration.

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