Micro fading test for textile single yarns: a new methodology applied to the Reformation Tapestry to assess its sensitivity to light

Autor: Giulia Vannucci, Salwa Joram, Anna Beselin, Stefan Röhrs

Publikováno v: Heritage Science, Vol 11, Iss 1, Pp 1-11 (2023)

Abstract Tapestries and especially pile carpets can be challenging objects for assessing their photosensitivity by microfading: they are often made of relatively thick yarns resulting in a non-flat airy surface. For this reason, focusing the light on

Externí odkaz: https://doaj.org/article/6099ff86e0d6418e94107a32ab9c8657

Bodies and Glazes of Architectural Ceramics from the Ilkhanid Period at Takht-e Soleyman (North-Western Iran)

Autor: Stefan Röhrs, Alexandra Dumazet, Katharina Kuntz, Ute Franke

Publikováno v: Minerals, Vol 12, Iss 2, p 158 (2022)

Bodies and glazes of tiles from the Ilkhanid period found at the UNESCO World Heritage site of Takht-e Soleyman were studied to identify materials and certain technical characteristics of the architectural ceramics as part of a larger project to esta

Externí odkaz: https://doaj.org/article/af6944248cba48a0ab0b7c732aad03f9

Between Fakes, Forgeries, and Illicit Artifacts—Authenticity Studies in a Heritage Science Laboratory

Autor: Stefan Simon, Stefan Röhrs

Publikováno v: Arts, Vol 7, Iss 2, p 20 (2018)

Since its inauguration in 1888, the Rathgen Research Laboratory of the National Museums in Berlin has been challenged by authenticity questions on cultural heritage objects. In the setting of an ever-growing market, often intertwined with the increas

Externí odkaz: https://doaj.org/article/9a2a6b2e48ab4902b8bd00812600d238

The use of Cobalt in 18th Dynasty Blue Glass from Amarna: the results from an on-site analysis using portable XRF technology

Autor: Ina Reiche, Katharina Müller, Anna Hodgkinson, Stefan Röhrs

Publikováno v: Science and Technology of Archaeological Research, Vol 5, Iss 2, Pp 36-52 (2019)
STAR: Science & Technology of Archaeological Research
STAR: Science & Technology of Archaeological Research, Taylor & Francis, 2019, pp.1-17. ⟨10.1080/20548923.2019.1649083⟩

Cobalt was commonly used as a colourant in the Egyptian glass industries of the 18th dynasty, dark blue glass being a regular find at palatial and settlement sites, including Amarna and Malqata. The main source of cobalt ore used during this period h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43a129e491569f03b36a30b12e18d357
https://doi.org/10.1080/20548923.2019.1649083

A multi technical study of silver denars from medieval Poland for improved understanding of their archaeological context and provenance

Autor: Marta Matosz, C. Stoess, M. Hrnjic, A. Denker, J. M. del Hoyo-Meléndez, B. Weisser, Stefan Röhrs

Publikováno v: Hrnjic, M, Röhrs, S, Denker, A, Weisser, B, Stoess, C, Matosz, M & del Hoyo-Meléndez, J 2021, ' Multi-technical study of silver denars from medieval Poland for an improved understanding of their archaeological context and provenance ', Archaeometry, vol. 63, no. 3, pp. 609-626 . https://doi.org/10.1111/arcm.12624

This paper discusses a methodology that involves the use of x amp; 8208;ray fluorescence XRF , high energy particle induced x amp; 8208;ray emission HE amp; 8208;PIXE and particle induced amp; 947; amp; 8208;ray emission HE amp; 8208;PIGE spectroscop

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97ab659396e916202629f4f32506a266
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=102099