Measurement of the 14C Activity of the ANU Sucrose Secondary Standard by Means of the Proportional Counter Technique

Author:

Srdoc Dušan,Obelic Bogomil,Horvatincic Nada,Sliepcevic Adela

Abstract

A systematic crosschecking of the NBS oxalic acid standard, the ANU Sucrose secondary standard, and the RB oak tree rings grown in 1858 ± 5 and 1890 ± 5 has been performed using the proportional counter technique. Details on the counter gas (methane) purification are given. Corrections of count rates due to changes of barometric pressure and ambient temperature are applied and discussed. Results of measurements are presented and the ratios between mean activities of the NBS oxalic, ANU sucrose and RB oak samples are given.

Publisher

Cambridge University Press (CUP)

Subject

General Earth and Planetary Sciences,Archaeology

Reference4 articles.

1. Polach H A , 1976, Arizona 1850 wood and ANU sucrose radiocarbon dating standards: Progress rept on international cross-calibration with NBS oxalic acid, in Berger R and Suess H , eds, Internat radiocarbon dating conf, 9th La Jolla, Proc: San Diego, California, in press.

2. Obelić B and Planinić J , 1977, Computer processing of 14C and 3H Data; statistical tests and corrections of data: Internat conf on low radioactivity measurements, High Tatras, Bratislava, Czechoslovakia, 1975, Proc, p 117.

3. Srdoc D , Breyer B , and Sliepcević Adela , 1971, Ruder Bosković Institute radiocarbon measurements I: Radiocarbon, v 13, p 135–140.

4. Polach H A and Krueger H A , 1972, Isotopic fractionation of NBS oxalic acid and ANU-sucrose radiocarbon dating standards: Internat conf on radiocarbon dating, 8th, Wellington, New Zealand, Proc, p H121.

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