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Badania metaloznawcze poznańskiego miecza św. Piotra z Muzeum Archidiecezjalnego w Poznaniu

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Nosek E. M., Stępiński J.
Ecclesia. Studia z Dziejów Wielkopolski
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2011
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issue 6
77-103
EN
The authors present the results of a metallurgical study of the Poznań sword of St. Peter conducted in 2009. Analysis of the chemical composition of the metal of the blade helped to determine the technology used in its manufacture and consequently made it possible to specify the age and origin of the sword. The authors made an attempt to describe the sword of St. Peter and assign it to an adequate type of one blade weapons. In determining the presumed age of the sword a list of objects that resemble it visually (two 13th century cleavers) or are decorated with evidently related images (Greek vases) proved helpful.
2

Pieczęcie z Czermna (Grody Czerwieńskie, Polska wschodnia) - rezultaty analiz chemicznych i metalurgicznych

61%
Wołoszyn M., Nosek E. M., Stępiński J., Rafalska-Łasocha A., Łasocha W., Bielańska E.
Archeologia Polski
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2015
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vol. 60
123-152
EN
The paper reports on the results of chemical analysis and metallography examination of four lead seals from Czermno (Cherven towns region). The seals were issued by Rus dukes and have been dated to 12th-13th centuries. Selected specimens were subjected to detailed observations under SEM (Scanning Electron Microscope). Chemical analysis included EDS (Energy Dispersive X-Ray Spectroscopy) and EDXRF (Energy Dispersive X-Ray Fluorescence). The red layer found on the surface of the lead seals was identified by XRPD (X-ray Powder Diffractometry) as a typical corrosion product: lead oxide. Lead content in the tested seals ranges from 98.9% to 99.4%. The content of silver, copper, chromium, iron was interpreted as impurities.
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