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AMS, 36Cl, particles and bulk aggregate sample of OREX-803014-0

Author

Kees Welten



Description

Accelerator mass spectrometry analysis of 36Cl concentrations in six sub-samples from aggregate sample OEX-803014-0. The samples include one bulk aggregate sample, OREX-803047-0, and 5 individual mm-sized particles (OREX-803048-0, OREX-803049-0, OREX-803050-0, OREX-803051-0, OREX-803052-0). For comparison, we also measured two aliquots of the Orgueil CI chondrite. The samples were dissolved in HF/HNO3 and a small aliquot of the dissolved sample was taken for chemical analysis by ICP-OES. The 36Cl concentrations in the particles range from 78 to 157 dpm/kg, compared to a 36Cl concentration of 91 dpm/kg in the aggregate sample. The high 36Cl concentrations indicate that 36Cl is dominated by neutron-capture production on 35Cl in the top 1-2 m of Bennu's surface.


How To Cite

Welten, K., 2024. AMS, 36Cl, particles and bulk aggregate sample of OREX-803014-0, Version 1.0. Astromaterials Data Archive. https://doi.org/10.60707/1dst-en63 Accessed 2024-06-25.

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Type

Dataset

Date Created

May 23, 2024

Size

224.23 kB

Licence


Not Yet Available for Download

Info

Mission

OSIRIS-REx

Sample

OREX-803047-0
OREX-803048-0
OREX-803049-0
OREX-803050-0
OREX-803051-0
OREX-803052-0

Session

20240409_AMS_PU_multiSample_1

Analytical Methods


Laboratory

Purdue University

Instrument

Purdue Rare Isotope Measurement (PRIME) Lab AMS facility

Technique

Accelerator Mass Spectrometry

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Funding Sources

This material is supported by NASA under contract NNM10AA11C issued through the New Frontiers program. This study is supported by NASA grant 80NSSC22K1693 through the OREX-PSP.

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