Accelerator mass spectrometry analysis of <sup>129</sup>I

Liu Qi; Zhou Weijian; Hou Xiaolin; Fu Yunchong; Zhao Wennian; Lu Xuefeng; Chen Ning; Zhang Luyuan

doi:10.3788/HPLPB20132508.2085

Volume 25 Issue 08

Nov. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(08): 2085-2090

Rao Huanle, Liu Zhengkun, Liu Ying, et al. Cerium oxide polishing to improve uniformity of diffraction efficiencyof beam sampling grating[J]. High Power Laser and Particle Beams, 2013, 25: 1609-1610. doi: 10.3788/HPLPB20132507.1609

Citation:

Liu Qi, Zhou Weijian, Hou Xiaolin, et al. Accelerator mass spectrometry analysis of ¹²⁹I[J]. High Power Laser and Particle Beams, 2013, 25: 2085-2090. doi: 10.3788/HPLPB20132508.2085

Citation:

Liu Qi, Zhou Weijian, Hou Xiaolin, et al. Accelerator mass spectrometry analysis of ¹²⁹I[J]. High Power Laser and Particle Beams, 2013, 25: 2085-2090. doi: 10.3788/HPLPB20132508.2085

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Accelerator mass spectrometry analysis of ¹²⁹I

doi: 10.3788/HPLPB20132508.2085

Liu Qi^1,2,3,
Zhou Weijian^1,3,4,
Hou Xiaolin^1,3,
Fu Yunchong^1,3,
Zhao Wennian^3,4,
Lu Xuefeng^1,3,
Chen Ning^1,3,
Zhang Luyuan^1,3

1.
State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,Chinese Academy of Sciences,Xi’an 710075; 2.University of Chinese Academy of Sciences,Beijing 100049,China; 3.Shaanxi Key Laboratory of Accelerator Mass Spectrometry Technology and Application,Xi’an AMS Center,Xi’an 710061; 4.Xi’an JiaoTong University,Xi’an 710049,China

Received Date: 2012-08-02
Rev Recd Date: 2013-01-10
Publish Date: 2013-06-19

Abstract

Abstract

Ion source is the key part of an Accelerator Mass Spectrometry (AMS) in view of analytical sensitivity, stability and accuracy. SO-110 Cs+ sputtering ion source developed by High Voltage Engineering Europe, is dedicated to AMS for both solid and gas target sources, which has been successfully applied to AMS instruments including one installed in Xian AMS center. By investigation of the effect of various parameters, such as the target preparation, holder characteristics, matrix selection and the ratio between AgI and matrix on AMS measurement of 129I using SO-110 ion source, Cu is the suitable holder material, and Nb powder is the best matrix, and the optimal ratio of AgI∶Nb is 1∶3. A machine background of 1.5210-14 for 129I/127I was obtained using a NaI sample directly mixed with Nb powder and pressed in Cu target holder.
- accelerator mass spectrometry,
- SO-110 ion source,
- 129I,
- cesium sputtering,
- matrix

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