By Koen H. A. Janssens
The 1st medical quantity to assemble the trendy analytical suggestions for glass research, Modern tools for Analysing Archaeological and historic Glass offers an up to date description of the physico-chemical equipment appropriate for picking the composition of glass and for speciation of particular elements. This particular source provides individuals of organization Internationale pour l'Histoire du Verre, in addition to college students, with a couple of case reports the place the powerful use of 1 or extra of those equipment for elucidating a selected culturo-historical or historo-technical element of glass production expertise is documented.
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Additional info for Modern methods for analysing archaeological and historical glass
Nevertheless, when a wet environment is retained for too long, for example, in glasses buried for many years, dealkalinisation due to entry of the water molecules causes local variations in volume near the surface. Thus, stresses causing cracks and detachments are generated that, in their turn, induce the formation of thin stratiﬁed layers. These layers are responsible for light interference phenomena that produce the well-known iridescence effect on the surface of degraded glass objects. References 1.
S. (1925) Analysis of recent measurements of the viscosity of glasses. J. Am. Ceram. , 8, 339–355; 789–794. 15. Tammann, G. and Hesse, W. (1926) Die Abh¨angigkeit der Viskosit¨at von der Temperatur bei unterk¨uhlten Fl¨ussigkeiten. Z. Anorg. Allg. , 156, 245–257. 16. T. H. (1920) A method for determining the annealing temperature of glass. J. Opt. Soc. , 4, 224–229. 22 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. R. (1954) Re-evaluation of glass viscosity at annealing and strain point.
Which had been preserved in the Library of King Assurbanipal. These sources, featuring cuneiform writing , conﬁrmed that glass could be obtained by melting a mixture made from quartz stone and ash. Modern Methods for Analysing Archaeological and Historical Glass, First Edition. Edited by Koen Janssens. © 2013 John Wiley & Sons, Ltd. Published 2013 by John Wiley & Sons, Ltd. C. D. ) [12, 13]. According to Strabo: Then one comes to Ptolema¨ıs, a large city, in earlier times named Acˆe; this city was used by the Persians as a base of operations against Aegypt.