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黒色土器・繊維土器の前処理法と炭素含有量について(第15回名古屋大学タンデトロン加速器質量分析計シンポジウム(平成14(2002)年度)報告)

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Abstract

The AMS dating method has made it possible to directly radiocarbon date pottery, using carbonized materials from the exterior and inside surfaces of pots. Carbonized materials on the surface are usually from fuel or foods, so they may exhibit an "old wood" or "marine reservoir" effect. However, organic materials sealed in the pots will give the age when the pottery was manufactured. "The Black pottery" of the Philippines and similar black pottery from China include organic materials such as chaff. A group of Japanese Jomon potteries, known as "fiber pottery" contain charred fiber. We analyzed the carbon content of these potteries to determine their utility as samples for ^<14>C dating. Pottery samples were ground and treated with AAA (acid-alkali-acid) to remove humic and fluvic soil acids. Samples were oxidized and the carbon content measured. Though there were differences between hard samples and fragile samples, the hard samples provided enough carbon for AMS dating.

第15回名古屋大学タンデトロン加速器質量分析計シンポジウム(平成14年(2002年度)報告 Proceedings of the 15th Symposium on Researches Using the Tandetron AMS System at Nagoya University in 2002 日時:平成15 (2003)年1月30日(木)、31日(金) 会場:名古屋大学シンポジオン Date:January 30th and 31st,2003 Place:Nagoya University Symposion Hall

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