Browsing Radiocarbon, Volume 43, Number 2A (2001 by Authors
Development of a Semi-Automated System for Routine Preparation of Carbonate SamplesTisnérat-Laborde, N.; Poupeau, J. J.; Tannau, J. F.; Paterne, M. (Department of Geosciences, The University of Arizona, 2001-01-01)We constructed a semi-automated system to transform carbonate samples to CO2, as a means to increase sample-processing capacity. The physicochemical process includes hydrolysis of carbonate, quantification of the mass of carbon and CO2 collection in a glass ampoule. The system is computer-controlled and monitored, and all the data are stored. A single run of five consecutive samples requires about 3.5 hours. Measurements of 14C concentrations were made on samples of IAEAC-1 Carrara marble to test the reliability of this semi-automated system. These measurements have allowed the determination of the total system background and the memory effect of our system.