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Glasgow University Radiocarbon Measurements VII

M. S. Baxter, J. G. Farmer
1973 Radiocarbon: An International Journal of Cosmogenic Isotope Research  
This list presents results obtained during 1971-1972 and is a continuation of research evaluating natural C14levels for which data have been published previously (Baxteret al., 1969; Baxter and Walton, 1970; Farmeret al., 1972). The results of these studies are presented as δC14and Δ values based on age-corrected activities, although this correction is very small. Errors quoted are lσcounting uncertainties only. Pretreatment procedures are outlined in the text and analytical methods are
more » ... methods are essentially unchanged. Gas proportional counting of CH4in a 0.5L detector is employed (Baxteret al., 1969). Mass spectrometric analyses are performed to a precision of 0.1‰ (± 2σ) on a V.G. Micromass 602B stable isotope mass spectrometer.
doi:10.1017/s003382220000895x fatcat:4sqcltuc7rachlfriltbp2qo24