Isolation of EC for AMS: isotopic particulate standards

On the isolation of elemental carbon for micro-molar C accelerator mass spectrometry; evaluation of alternative isolation procedures, and accuracy assurance using a hybrid isotopic particulate carbon reference material L. A. Currie and J. D. Kessler National Institute of Standards and Technology, Gaithersburg, MD 20899, USA now at: Department of Earth System Science, University of California Irvine, Irvine, CA 92697, USA Received: 15 March 2005 – Accepted: 11 April 2005 – Published: 26 May 2005 Correspondence to: L. A. Currie ([email protected]) © 2005 Author(s). This work is licensed under a Creative Commons License.