{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T16:47:50Z","timestamp":1791305270690,"version":"4.3.1"},"reference-count":67,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2015,3,1]],"date-time":"2015-03-01T00:00:00Z","timestamp":1425168000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2015,3,1]],"date-time":"2015-03-01T00:00:00Z","timestamp":1425168000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Astrobiology"],"published-print":{"date-parts":[[2015,3]]},"abstract":"<jats:p>\n                    The search for\n                    <jats:italic toggle=\"yes\">in situ<\/jats:italic>\n                    organic matter on Mars involves encounters with minerals and requires an understanding of their influence on lander and rover experiments. Inorganic host materials can be helpful by aiding the preservation of organic compounds or unhelpful by causing the destruction of organic matter during thermal extraction steps. Perchlorates are recognized as confounding minerals for thermal degradation studies. On heating, perchlorates can decompose to produce oxygen, which then oxidizes organic matter. Other common minerals on Mars, such as sulfates, may also produce oxygen upon thermal decay, presenting an additional complication. Different sulfate species decompose within a large range of temperatures. We performed a series of experiments on a sample containing the ferric sulfate jarosite. The sulfate ions within jarosite break down from 500\u00b0C. Carbon dioxide detected during heating of the sample was attributed to oxidation of organic matter. A laboratory standard of ferric sulfate hydrate released sulfur dioxide from 550\u00b0C, and an oxygen peak was detected in the products. Calcium sulfate did not decompose below 1000\u00b0C. Oxygen released from sulfate minerals may have already affected organic compound detection during\n                    <jats:italic toggle=\"yes\">in situ<\/jats:italic>\n                    thermal experiments on Mars missions. A combination of preliminary mineralogical analyses and suitably selected pyrolysis temperatures may increase future success in the search for past or present life on Mars. Key Words: Mars\u2014Life detection\u2014Geochemistry\u2014Organic matter\u2014Jarosite. Astrobiology 15, 247\u2013258.\n                  <\/jats:p>","DOI":"10.1089\/ast.2014.1160","type":"journal-article","created":{"date-parts":[[2015,2,19]],"date-time":"2015-02-19T19:00:32Z","timestamp":1424372432000},"page":"247-258","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":42,"title":["Sulfate Minerals: A Problem for the Detection of Organic Compounds on Mars?"],"prefix":"10.1177","volume":"15","author":[{"given":"James M.T.","family":"Lewis","sequence":"first","affiliation":[{"name":"Imperial College London","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan S.","family":"Watson","sequence":"additional","affiliation":[{"name":"Imperial College London","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jens","family":"Najorka","sequence":"additional","affiliation":[{"name":"Impacts and Astromaterials Research Centre","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duy","family":"Luong","sequence":"additional","affiliation":[{"name":"Imperial College London","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark A.","family":"Sephton","sequence":"additional","affiliation":[{"name":"Imperial College London","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2015,3,1]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf00120a031"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1029\/2010JE003633"},{"key":"e_1_3_3_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pss.2006.02.005"},{"key":"e_1_3_3_5_1","doi-asserted-by":"publisher","DOI":"10.1130\/G22316.1"},{"key":"e_1_3_3_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac60316a034"},{"key":"e_1_3_3_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/0016-7037(95)00392-4"},{"key":"e_1_3_3_8_1","doi-asserted-by":"publisher","DOI":"10.2138\/am.2008.2731"},{"key":"e_1_3_3_9_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.040539497"},{"key":"e_1_3_3_10_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1122659"},{"key":"e_1_3_3_11_1","doi-asserted-by":"publisher","DOI":"10.1029\/2011JE003869"},{"key":"e_1_3_3_12_1","doi-asserted-by":"publisher","DOI":"10.1029\/JS082i028p04641"},{"key":"e_1_3_3_13_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1238932"},{"key":"e_1_3_3_14_1","first-page":"1595","article-title":"Sulfate studies IV: the jarosite-natrojarosite-hydronium jarosite solid solution series","volume":"50","author":"Brophy G.P.","year":"1965","unstructured":"Brophy G.P., and Sheridan M.F. 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