Accelerator mass spectrometry sample preparation: Methods for 14C in 50-1000 microgram samples

George A. Klouda; Lloyd A. Currie; Douglas J. Donahue; A. J.Timothy Jull; Ted H. Zabel

doi:10.1016/0168-583X(84)90524-X

Accelerator mass spectrometry sample preparation: Methods for ¹⁴C in 50-1000 microgram samples

George A. Klouda, Lloyd A. Currie, Douglas J. Donahue, A. J.Timothy Jull, Ted H. Zabel

Geosciences

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17 Scopus citations

Abstract

A joint project was undertaken by the National Bureau of Standards (NBS) Atmospheric Chemistry Group and University of Arizona (UoA) Tandem Accelerator Mass Spectrometry Group to develop and evaluate accelerator ¹⁴C measurements of 50-1000 μg carbon samples at a modest accuracy of 5-10%. FeC alloy targets prepared from standards and samples averaged 1.6 μA ¹²C^- current. ¹⁴C measurements yielded 5% precision and accuracy, limited by a blank equivalent to 11% modern carbon for targets containing ∼ 100 μg carbon. The contamination level was estimated to be ∼ 15 μg contemporary carbon (current atmospheric ¹⁴C). These results demonstrated that the FeC target is quite suitable for atmospheric and environmental studies that require measuring fossil/biogenic carbon in microgram samples.

Original language	English (US)
Pages (from-to)	265-271
Number of pages	7
Journal	Nuclear Inst. and Methods in Physics Research, B
Volume	5
Issue number	2
DOIs	https://doi.org/10.1016/0168-583X(84)90524-X
State	Published - Nov 1984

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Klouda, G. A., Currie, L. A., Donahue, D. J., Jull, A. J. T., & Zabel, T. H. (1984). Accelerator mass spectrometry sample preparation: Methods for ¹⁴C in 50-1000 microgram samples. Nuclear Inst. and Methods in Physics Research, B, 5(2), 265-271. https://doi.org/10.1016/0168-583X(84)90524-X

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title = "Accelerator mass spectrometry sample preparation: Methods for 14C in 50-1000 microgram samples",

abstract = "A joint project was undertaken by the National Bureau of Standards (NBS) Atmospheric Chemistry Group and University of Arizona (UoA) Tandem Accelerator Mass Spectrometry Group to develop and evaluate accelerator 14C measurements of 50-1000 μg carbon samples at a modest accuracy of 5-10%. FeC alloy targets prepared from standards and samples averaged 1.6 μA 12C- current. 14C measurements yielded 5% precision and accuracy, limited by a blank equivalent to 11% modern carbon for targets containing ∼ 100 μg carbon. The contamination level was estimated to be ∼ 15 μg contemporary carbon (current atmospheric 14C). These results demonstrated that the FeC target is quite suitable for atmospheric and environmental studies that require measuring fossil/biogenic carbon in microgram samples.",

author = "Klouda, {George A.} and Currie, {Lloyd A.} and Donahue, {Douglas J.} and Jull, {A. J.Timothy} and Zabel, {Ted H.}",

year = "1984",

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AU - Klouda, George A.

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AU - Jull, A. J.Timothy

AU - Zabel, Ted H.

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