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 Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms |
| Volume | 5 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1984 |
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ASJC Scopus subject areas
- Surfaces, Coatings and Films
- Instrumentation
- Surfaces and Interfaces
Cite this
Accelerator mass spectrometry sample preparation : Methods for 14C in 50-1000 microgram samples. / Klouda, George A.; Currie, Lloyd A.; Donahue, Douglas J.; Jull, A. J Timothy; Zabel, Ted H.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 5, No. 2, 1984, p. 265-271.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Accelerator mass spectrometry sample preparation
T2 - Methods for 14C in 50-1000 microgram samples
AU - Klouda, George A.
AU - Currie, Lloyd A.
AU - Donahue, Douglas J.
AU - Jull, A. J Timothy
AU - Zabel, Ted H.
PY - 1984
Y1 - 1984
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=0004441722&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0004441722&partnerID=8YFLogxK
U2 - 10.1016/0168-583X(84)90524-X
DO - 10.1016/0168-583X(84)90524-X
M3 - Article
AN - SCOPUS:0004441722
VL - 5
SP - 265
EP - 271
JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
SN - 0168-583X
IS - 2
ER -