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Technological Advances in the University of Washington Accelerator Mass Spectrometry System

  • G W Farwell (a1), P M Grootes (a1), D D Leach (a1) and F H Schmidt (a1)

Abstract

During the past year we have continued to work toward greater stability and flexibility in nearly all elements of our accelerator mass spectrometry (AMS) system, which is based upon an FN tandem Van de Graaff accelerator, and have carried out measurements of 14C/12C and 10Be/9Be isotopic abundance ratios in natural samples. The principal recent developments and improvements in the accelerator system and in our sample preparation techniques for carbon and beryllium are discussed, and the results of a study of 10Be cross-contamination of beryllium samples in the sputter ion source are presented.

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Copyright

References

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Farwell, GW, Grootes, PM, and Schmidt, FH, 1981, Accelerator mass spectrometry: cross-contamination in a sputter ion source: Am Phys Soc Bull, v 26, p 1159.
Farwell, GW, Grootes, PM, Leach, DD, Schmidt, FH, and Stuiver, M, 1983, 10Be and 14C measurements with the University of Washington FN tandem accelerator, in : Radiocarbon, v 25.
Farwell, GW, Schmidt, FH, and Grootes, PM, 1981, Accelerator mass spectrometry at the University of Washington, in : Argonne Natl Lab pub ANL/PHY-81-1, p 100119.
Grootes, PM, Stuiver, M, Farwell, GW, Schaad, TP, and Schmidt, FH, 1980, Enrichment of 14C and sample preparation for beta and ion counting, in : Radiocarbon, v 22, no. 2, p 487499.
Grootes, PM, Stuiver, M, Farwell, GW, and Schmidt, FH, 1981, Sample preparation for accelerator mass spectrometry at the University of Washington, in : Argonne Natl Lab pub ANL/PHY-81-1, p 405415.
Schmidt, FH and Fauska, H, 1982, Auto-control of injected beams in accelerator mass spectrometry (AMS): Am Phys Soc Bull, v 27, p 526.

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