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Mechanochemical generation of perchlorate

Edgar, J.O. and Gould, J.A. and Badreshany, K. and Telling, J. (2022) 'Mechanochemical generation of perchlorate.', Icarus, 387 . p. 115202.

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.

Item Type:Article
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Available under License - Creative Commons Attribution 4.0.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.icarus.2022.115202
Publisher statement:© 2022 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
Date accepted:21 July 2022
Date deposited:17 August 2022
Date of first online publication:26 July 2022
Date first made open access:17 August 2022

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