Early stage of weathering of medieval-like potash-lime model glass: evaluation of key factors.

Environmental Science and Pollution Research International
Lucile GentazMarta Vallotto

Abstract

Throughout history, a consequent part of the medieval stained glass windows have been lost, mostly because of deliberate or accidental mechanic destruction during war or revolution, but, in some cases, did not withstand the test of time simply because of their low durability. Indeed, the glasses that remain nowadays are for many in a poor state of conservation and are heavily deteriorated. Under general exposure conditions, stained glass windows undergo different kinds of weathering processes that modify their optical properties, chemistry, and structure: congruent dissolution, leaching, and particle deposition (the combination of those two leading together to the formation of neocrystallisations and eventually crusts). Previous research has studied the weathering forms and the mechanisms from which they are originated, some others identified the main environmental parameters responsible for the deterioration and highlighted that both intrinsic (glass composition) and extrinsic (environmental parameters) factors influence glass degradation. Nevertheless, a clear quantification of the impact of the different deterioration extrinsic factors has not been performed. By analysing the results obtained with model glass (durable and no...Continue Reading

References

Apr 7, 2004·Analytical and Bioanalytical Chemistry·M Melcher, M Schreiner

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Citations

Jan 29, 2014·Environmental Science and Pollution Research International·Michel Sablier, Philippe Garrigues
Jun 12, 2012·The Science of the Total Environment·Anda IonescuCarlota M Grossi

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