Experimental mixing of natron and plant ash style glass: implications for ancient glass recycling

Simple item page
dc.contributor.authorScott, R. B.
dc.contributor.authorNeyt, B.
dc.contributor.authorBrems, D.
dc.contributor.authorEekelers, K.
dc.contributor.authorShortland, Andrew J.
dc.contributor.authorDegryse, Patrick
dc.date.accessioned2017-03-29T15:34:55Z
dc.date.available2017-03-29T15:34:55Z
dc.date.issued2017-02-14
dc.description.abstractThe practice of re-melting glass was well known, certainly from the Roman period onwards. This can be seen not only in ancient literary evidence but also in the archaeological evidence, collections of broken glass have been found in, for example, Pompeii (79 AD) and the Iulia Felix shipwreck (Third century AD). Elevated levels of certain transition metals in archaeological glasses are interpreted as indications of the mixing and/or recycling of different glasses. Assumptions have been made that all glasses could be recycled, but to what extent are these valid? Why does the evidence for the recycling of glass only occur from the Roman period onwards? From the middle of the First millennium BC to the Ninth century AD, natron glass was the predominant glass type in the Mediterranean and Europe, however, plant ash glass was still in use in some areas. To test the effects on the final product of mixing different composition glass types, experimental glasses were made by mixing varying quantities of replica plant ash glass, replica natron glass, and a modern glass. At low temperatures crystalline material formed in the products containing replica plant ash glass. As the plant ash glass content increased, so too did the amount of crystalline material produced. This is due to a combination of the glass compositions and the firing temperature. It appears that natron type glass can be more easily recycled at lower temperatures, although, if a high enough temperature is used then most glass types can be recycled. Early furnace technology, i.e.the vertical heating chamber furnace, may not have been able to achieve these high temperatures, hence the widespread practice of recycling did not begin until after the invention of glassblowing which required a change in the furnace technology to the use of a horizontal heating chamber furnace.en_UK
dc.identifier.citationScott RB, Neyt B, Brems D, et al., (2017) Experimental mixing of natron and plant ash style glass: implications for ancient glass recycling. European Journal of Glass Science and Technology Part a Glass Technology, Volume 58, Issue 1, February 2017, pp. 8-16en_UK
dc.identifier.uri
dc.identifier.urihttps://doi.org/10.13036/17533546.58.1.011
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/11687
dc.publisherIngentaen_UK
dc.titleExperimental mixing of natron and plant ash style glass: implications for ancient glass recyclingen_UK
dc.typeArticleen_UK

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Experimental_mixing_of_natron_and_plant_ash_style_glass-2017.pdf
Size:
259.65 KB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.79 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Staff publications (CDS)