Author:
Haas Herbert,Haynes Vance
Abstract
All samples described in this date list have been dated from November 1973 to January 1975. Only the benzene liquid scintillation installation was used during this time. For the combustion of soil and fossil bone samples containing a high content of sulfur (ie, in the form of pyrite), a new CO2 extraction and cleaning system was built. The gases released by the combustion are dried in ice and dry ice traps, passed through hot copper oxide and bubbled through KOH solution. Following the combustion, the K2CO3 precipitate is acidified in the same vessel where it formed and the released CO2 is again dried in a dry ice trap and by passing it through ascarite. This CO2 gas is quite clean and can be brought to the original system where the gas volume is measured. Further processing is as previously described (Haynes and Haas, 1974).
Publisher
Cambridge University Press (CUP)
Subject
General Earth and Planetary Sciences,Archeology
Reference4 articles.
1. University of Texas at Austin Radiocarbon Dates X
2. Rainey M , 1974, The Quaternary stratigraphy of the North Sulphur River: MS thesis, Southern Methodist Univ, Dallas, Texas, 28 P.
3. Sulphur River formation and the Pleistocene mammals of the Ben Franklin local fauna;Slaughter;Graduate Research Center Tour,1963
4. Southern Methodist University Radiocarbon Date List I
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