Problems and Methods of Dating Low-Activity Samples by Liquid Scintillation Counting

Author:

Arslanov Kh. A.,Tertychnaya T. V.,Chernov S. B.

Abstract

The important problem of contamination of old samples by younger 14C necessitates treatment of organic and carbonate samples to ensure more complete removal of contaminating carbon. Here we present studies of chemical procedures for the liquid scintillation method of 14C dating undertaken since 1960 in the former USSR. We discuss new procedures such as lithium carbide synthesis from charred organic samples and benzene synthesis on a V2O5·Al2O3·SiO2 catalyst, as well as memory effect in the carbide synthesis procedure and characteristics of two homemade counters.

Publisher

Cambridge University Press (CUP)

Subject

General Earth and Planetary Sciences,Archeology

Reference28 articles.

1. Arslanov Kh. A. , Evzerov V. Ja. , Tertychny N. I. , Gerasimova S. A. and Lokshin N. V. 1981 On the age of Boreal transgression sediments on Kola peninsula. In Pleistocene Glaciation on the Eastern European Plains. Moscow: 28–37.

2. Scintillation technique of natural 14C counting and its use for age determination;Starik;Radiokhimiya,1960

3. Memory Effects in the Production of Benzene for Radiocarbon Dating

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