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Detection of Organics at Mars: How Wet Chemistry Onboard SAM Helps

Abstract : For the first time in the history of space explor a- tion, a mission of interest to astrobiology could be able to analyze refractory organic co m pounds in the soil of Mars. Wet chemistry experiment allow organic co m- ponents to be altered in such a way that improves t here detection either by releasing the compounds from sa m- ple matricies or by changing the chemical structure to be amenable to analytical conditions. The latter is pa r- ticular important when polar compounds are pr e sent. Sample Analysis at Mars (SAM), on the Curiosity ro v- er of the Mars Science Laboratory mission, has onboard two wet chemistry experiments: derivatization [1 - 2] and thermochemolysis [3 - 4 ]. Here we report on the nature of the MTBSTFA derivatization exper i ment on SAM, the detection of MTBSTFA in i nitial SAM results, and the implications of this dete c tion
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Contributor : Arnaud Buch Connect in order to contact the contributor
Submitted on : Thursday, June 14, 2018 - 11:19:47 AM
Last modification on : Tuesday, November 16, 2021 - 4:45:57 AM
Long-term archiving on: : Monday, September 17, 2018 - 4:40:11 PM


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  • HAL Id : hal-01815509, version 1


A. Buch, Caroline Freissinet, Cyril Szopa, Daniel Glavin, Patrice Coll, et al.. Detection of Organics at Mars: How Wet Chemistry Onboard SAM Helps. 44th LPSC Lunar and Planetary Science Conference, Mar 2013, Houston, United States. ⟨hal-01815509⟩



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