Fig. 6: The linear relation between Na2O and Cl for the 15-17th century HLLA glass. Most of the medieval glass does not follow this relation. The symbols are related to the compositional groups of Table I.
Dr. Olivier SCHALM, Prof. Dr. Koen JANSSENS,
University of Antwerp, Dept. of Chemistry, Antwerp (Belgium)
Hilde WOUTERS, Instittuut voor het Archeologisch Patrimonium, Asse-Zellik (Belgium)
Danielle CALUWÉ, Free University of Brussels, Dept. Of Archaeology, Brussels (Belgium)
Composition of 12th-18th Century Window Glass in Belgium: Non-Figurative Windows in Secular Buildings and Stained-Glass Windows in Religious Buildings
Table of figures
- Map of Belgium and the cities from which glass has been analysed
- Overview of the subsequent periods in the technological history of window glass
- Common lead patterns for non-figurative windows
- Hierarchical classification of window glass fragments based on their major composition
- Scatter plot of the K2O versus CaO concentrations
- Linear relation between Na2O and Cl for the 15-17th century HLLA glass
- Cl-abundance as a function of K2O concentration for the calco-potassic glass fragments
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