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Mechanochemical generation of perchlorate

Edgar, J.O.; Gould, J.A.; Badreshany, K.; Telling, J.

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Authors

J.O. Edgar

J.A. Gould

J. Telling



Abstract

Perchlorate (ClO4−) is widespread in the solar system having been detected on Earth, on Mars, in chondrite meteorites and in lunar samples. On Mars, perchlorates expand the potential for habitable conditions by lowering the freezing point of liquid water in the formation of brines. In future manned space exploration their presence poses a hazard to human health, however, it also represents opportunities as a source of oxygen and fuel. Despite their prevalence, the mechanism(s) of perchlorate formation in different solar system environments are poorly understood. Here we demonstrate that perchlorate can be generated through the mechanical activation of silicates in the presence of chloride.

Citation

Edgar, J., Gould, J., Badreshany, K., & Telling, J. (2022). Mechanochemical generation of perchlorate. Icarus, 387, Article 115202. https://doi.org/10.1016/j.icarus.2022.115202

Journal Article Type Article
Acceptance Date Jul 21, 2022
Online Publication Date Jul 26, 2022
Publication Date 2022-11
Deposit Date Aug 17, 2022
Publicly Available Date Mar 29, 2024
Journal Icarus
Print ISSN 0019-1035
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 387
Article Number 115202
DOI https://doi.org/10.1016/j.icarus.2022.115202

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