Using FT-IR spectroscopy for study of calcareous ancient ceramics

S. Shoval

نتاج البحث: نشر في مجلةمقالةمراجعة النظراء


FT-IR spectroscopy was used for study of domestic Iron Age storage jars excavated at Tel Hadar on the eastern shore of the Sea of Galilee. The IR spectra are indicative of calcareous ceramic, showing Si-O and CO3 vibrations characteristic of meta-clay and recarbonated calcite, respectively. Bands indicative of Ca-silicates were not observed in the spectra. The potters used calcareous raw material for the preparation of storage jars in order to reach low temperature firing. The firing at about 700-800 °C, was sufficient for decomposition of the calcite in the calcareous material. The large amount of calcite in the ceramic (39-57%) indicates that the consolidation of the storage jars also took place by recrystallization of microcrystalline calcite during the recarbonation process. Consolidation by cementation with calcite required lower firing temperatures than that necessary to complete the sintering of the clay.

اللغة الأصليةالإنجليزيّة
الصفحات (من إلى)117-122
عدد الصفحات6
دوريةOptical Materials
مستوى الصوت24
رقم الإصدار1-2
المعرِّفات الرقمية للأشياء
حالة النشرنُشِر - 2003

ملاحظة ببليوغرافية

Funding Information:
This research was supported by the Israel Science Foundation administered by the Israel Academy of Sciences and Humanities and completed through the support of the Open University of Israel Research Authority. Both are gratefully acknowledged.


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