4 Material und Umwelt
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- Ink analyses (5) (entfernen)
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Results:
- Four types of inks were measured iron gall (vitriolic and non vitriolic), carbonic, mixed and vegetable inks.
- We need to start analyzing systematically the organic part of the inks.
- Great variety in the composition of the inks.
- No correlation between the type of ink used and any other criteria apart from a personal preference.
- Inks purchased by (some) scribes.
- Reconstruction of the chronology of writing and signing of certain legal documents.
- Comparison with documents written by the Muslim court.
Black writing materials of different types and compositions have varied in use over time and different geographical regions. With this paper, we would like to contribute to their study by listing and reviewing recipes for black writing inks that were in circulation in the Carolingian Empire as well as by referencing the archaeometric analyses of the black inks used in the manuscripts. The studies presented here that involved the humanities and natural sciences provide new insights into how the scholars of the early Medieval Ages organized manuscripts.
The ink analysis protocol developed through cooperation between the Bundesanstalt für Materialforschung und -prüfung in Berlin and the Centre for the Study of Manuscript Cultures at the University of Hamburg involves the use of imaging techniques for ink screening, followed by spectroscopic analysis. In our presentation, we will begin by briefly reviewing the history of writing inks and discussing the three main categories: carbon-based inks, plant, and iron-gall inks. We will address their chronology, precursors, and mixed forms, as well as the features that allow for their identification. Then, we will present the techniques we use in ink analysis, whereby we would like to highlight the limitations, advantages, and disadvantages of each approach. Finally, we will discuss the new mass-spectrometric method based on micro-sampling and using atmospheric solid analysis probe (ASAP).
Through the application of scientific methods of analysis to a corpus of medieval manuscripts found in the Cairo Genizah, this work aims to gain a better understanding of the writing materials used by Jewish communities at that time, shedding new light not only on the production of manuscripts in the Middle Ages, but also on the life of those Jewish communities.
In recent years the BAM has been focusing on the characterization of the writing materials of the medieval Torah scrolls. The challenge imposed by the study of this specific type of manuscript led to designing and building dedicated stages to ensure the safety of the scrolls during the analysis. Furthermore, the identification of multiple corrections executed in apparently identical inks required broadening the standard two-step protocol of near infrared reflectography and X-ray fluorescence to include multispectral imaging. This work has prepared the division to participate in the large collaborative project “To roll: Materialisierte Heiligkeit (Materialised Holiness)” based at the Free University, Berlin.
The presentation will demonstrate the aims of the studies, preliminary results and the strategies adopted by the division 4.5 of the BAM.