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RADIOCARBON DATING OF WOODEN BEAMS FROM ST. DONAT CHURCH IN ZADAR

Dušan Srdoč ; Institut Ruđer Bošković, Zagreb
Adela Sliepčević ; Institut Ruđer Bošković, Zagreb
Bogomil Obelić ; Institut Ruđer Bošković, Zagreb

Puni tekst: hrvatski, pdf (7 MB) str. 17-20 preuzimanja: 174* citiraj
APA 6th Edition
Srdoč, D., Sliepčević, A. i Obelić, B. (1973). Mjerenje starosti drvene građe iz crkve sv. Donata u Zadru metodom radioaktivnog ugljika. Peristil, 16-17 (1), 17-20. Preuzeto s https://hrcak.srce.hr/158262
MLA 8th Edition
Srdoč, Dušan, et al. "Mjerenje starosti drvene građe iz crkve sv. Donata u Zadru metodom radioaktivnog ugljika." Peristil, vol. 16-17, br. 1, 1973, str. 17-20. https://hrcak.srce.hr/158262. Citirano 29.03.2020.
Chicago 17th Edition
Srdoč, Dušan, Adela Sliepčević i Bogomil Obelić. "Mjerenje starosti drvene građe iz crkve sv. Donata u Zadru metodom radioaktivnog ugljika." Peristil 16-17, br. 1 (1973): 17-20. https://hrcak.srce.hr/158262
Harvard
Srdoč, D., Sliepčević, A., i Obelić, B. (1973). 'Mjerenje starosti drvene građe iz crkve sv. Donata u Zadru metodom radioaktivnog ugljika', Peristil, 16-17(1), str. 17-20. Preuzeto s: https://hrcak.srce.hr/158262 (Datum pristupa: 29.03.2020.)
Vancouver
Srdoč D, Sliepčević A, Obelić B. Mjerenje starosti drvene građe iz crkve sv. Donata u Zadru metodom radioaktivnog ugljika. Peristil [Internet]. 1973 [pristupljeno 29.03.2020.];16-17(1):17-20. Dostupno na: https://hrcak.srce.hr/158262
IEEE
D. Srdoč, A. Sliepčević i B. Obelić, "Mjerenje starosti drvene građe iz crkve sv. Donata u Zadru metodom radioaktivnog ugljika", Peristil, vol.16-17, br. 1, str. 17-20, 1973. [Online]. Dostupno na: https://hrcak.srce.hr/158262. [Citirano: 29.03.2020.]

Sažetak
Samples of oak wood from beams found in the floor of St. Donat Church in Zadar, Croatia were dated by using the radiocarbon method described in details in ref. (5). Only well-preserved beams with 110 to 120 tree rings which could be easily counted were drilled out, each sample containing 10 to 20 tree rings as indicated in Fig. 1. Samples submitted 1970 by Ksenija Radulić, Zavod za zaštitu spomenika kulture, Zadar.
Samples of wood were boiled in 4% HCI, thoroughly washed and dried prior to pyrolysis. Charcoal is then burned in stream of oxygen; CO, thus obtained is collected in liquid nitrogen traps. CO, is converted in CH, by catalythic hydrogenation. Methane is counted 48 hrs in the proportional counter shielded by an anticoincidence counter and several tons of lead, Data are printed out on a strip printer and subsequently processed by UNIVAC 1106 computer. Corrections are applied for ambient temperature, barometric pressure, and methans pressure. Computer is also programmed to convert "C age into real age according to the correlation given in ref (9).
Based of the mean value estimated by weighted means of the 3 samples, trees were in cut A. D. 710 + 25. It was assumed that 20 + 10 tree rings of sapwood were cat away during sha ping of beams. This would be aerliest date that beams could be used for construction of the gallery floor. However, the possibility exists that wood was stored for some years or that it was used in another building and built into St. Donat church afterwards

Hrčak ID: 158262

URI
https://hrcak.srce.hr/158262

[hrvatski]

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