Production of hydrogen peroxide in Martian and lunar soils

Joel A. Hurowitz; Nicholas J. Tosca; Scott M. McLennan; Martin A. A. Schoonen

doi:10.1016/j.epsl.2006.12.004

Production of hydrogen peroxide in Martian and lunar soils

Joel A. Hurowitz, Nicholas J. Tosca, Scott M. McLennan, Martin A. A. Schoonen

Research output: Contribution to journal › Article › peer-review

Abstract

Freshly ground basaltic minerals produce sufficient quantities of hydrogen peroxide (H2O2) when immersed in solution to explain the oxidizing characteristics of Martian soil samples collected by the Viking landers. H2O2 production occurs as a result of reactions between water and defects at the surface of mechanically pulverized minerals, analogous to carcinogenic quartz dusts. Our results also indicate that dehydroxylation of mineral surfaces results in increased H2O2 production, a highly relevant finding for dusts on the airless surface of the Moon. Reactive, pulverized minerals are important on planetary bodies where impact processes have generated fine-grained basaltic dusts, and may pose a significant health risk to astronauts visiting planetary surfaces where impacts have generated such materials. (c) 2006 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	41-52
Number of pages	12
Journal	Earth and Planetary Science Letters
Volume	255
Issue number	1-2
DOIs	https://doi.org/10.1016/j.epsl.2006.12.004
Publication status	Published - 15 Mar 2007

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title = "Production of hydrogen peroxide in Martian and lunar soils",

abstract = "Freshly ground basaltic minerals produce sufficient quantities of hydrogen peroxide (H2O2) when immersed in solution to explain the oxidizing characteristics of Martian soil samples collected by the Viking landers. H2O2 production occurs as a result of reactions between water and defects at the surface of mechanically pulverized minerals, analogous to carcinogenic quartz dusts. Our results also indicate that dehydroxylation of mineral surfaces results in increased H2O2 production, a highly relevant finding for dusts on the airless surface of the Moon. Reactive, pulverized minerals are important on planetary bodies where impact processes have generated fine-grained basaltic dusts, and may pose a significant health risk to astronauts visiting planetary surfaces where impacts have generated such materials. (c) 2006 Elsevier B.V. All rights reserved.",

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T1 - Production of hydrogen peroxide in Martian and lunar soils

AU - Hurowitz, Joel A.

AU - Tosca, Nicholas J.

AU - McLennan, Scott M.

AU - Schoonen, Martin A. A.

PY - 2007/3/15

Y1 - 2007/3/15

N2 - Freshly ground basaltic minerals produce sufficient quantities of hydrogen peroxide (H2O2) when immersed in solution to explain the oxidizing characteristics of Martian soil samples collected by the Viking landers. H2O2 production occurs as a result of reactions between water and defects at the surface of mechanically pulverized minerals, analogous to carcinogenic quartz dusts. Our results also indicate that dehydroxylation of mineral surfaces results in increased H2O2 production, a highly relevant finding for dusts on the airless surface of the Moon. Reactive, pulverized minerals are important on planetary bodies where impact processes have generated fine-grained basaltic dusts, and may pose a significant health risk to astronauts visiting planetary surfaces where impacts have generated such materials. (c) 2006 Elsevier B.V. All rights reserved.

AB - Freshly ground basaltic minerals produce sufficient quantities of hydrogen peroxide (H2O2) when immersed in solution to explain the oxidizing characteristics of Martian soil samples collected by the Viking landers. H2O2 production occurs as a result of reactions between water and defects at the surface of mechanically pulverized minerals, analogous to carcinogenic quartz dusts. Our results also indicate that dehydroxylation of mineral surfaces results in increased H2O2 production, a highly relevant finding for dusts on the airless surface of the Moon. Reactive, pulverized minerals are important on planetary bodies where impact processes have generated fine-grained basaltic dusts, and may pose a significant health risk to astronauts visiting planetary surfaces where impacts have generated such materials. (c) 2006 Elsevier B.V. All rights reserved.

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U2 - 10.1016/j.epsl.2006.12.004

DO - 10.1016/j.epsl.2006.12.004

M3 - Article

SN - 0012-821X

VL - 255

SP - 41

EP - 52

JO - Earth and Planetary Science Letters

JF - Earth and Planetary Science Letters

IS - 1-2

ER -

Production of hydrogen peroxide in Martian and lunar soils

Abstract

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