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14C Measurements of Sub-Milligram Carbon Samples From Aerosols



R Weissenbok, S R. Biegalski, D Klinedinst, R Golser, George A. Klouda, W Kutschera, A Priller, William N. Rom, P Steier, E Wild, Lloyd A. Currie, R F. Sekerka


Accelerator mass spectrometry [AMS] at the milligram level is routinely performed, but it is difficult to go substantially below 100 ug of carbon. We discuss various approaches for sample preparation, machine operation, and data evaluation, to meet the special requirements for 14C AMS measurements at the microgram-carbon level. Furthermore, we present first results obtained at the Vienna Environmental Research Accelerator (VERA) from 14C measurements of a snow sample from Gaithersburg, MD, USA, prepared at the National Institute of Standards and Technology [NIST].
No. 1-2


14C in urban snow, aerosol chemistry, carbon isotope, combustion carbon, urban particles


Weissenbok, R. , Biegalski, S. , Klinedinst, D. , Golser, R. , Klouda, G. , Kutschera, W. , Priller, A. , Rom, W. , Steier, P. , Wild, E. , Currie, L. and Sekerka, R. (1998), <sup>14</sup>C Measurements of Sub-Milligram Carbon Samples From Aerosols, Radiocarbon (Accessed April 24, 2024)
Created July 31, 1998, Updated October 12, 2021