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Often, the gas is bubbled into the chosen reactor. Most of the processes at the gas\u2013liquid interface of the bubbles and in their tails are not fully understood and warrant further investigation. For this purpose, NMR imaging or Magnetic Resonance Imaging has been applied to visualize some of the processes in the bubble tail. To generate sufficient contrast, a magnetogenic gas\u2013liquid reaction associated with a change of magnetic state, from diamagnetic to paramagnetic, was employed. In this work, a copper(I)\u2010based compound was oxidized to copper(II) to exploit relaxation contrast. To match the speed of the rising bubbles to the acquisition time of the spin\u2010echo imaging sequence, polyethylene glycol was added to increase the viscosity of the reacting solution. Images of the oxygen ingress into a static solution as well as of oxygen bubbles rising in the solution are presented. In both cases, changes in magnetism were observed, which reported the hydrodynamic processes.<\/jats:p>","DOI":"10.1002\/mrc.4742","type":"journal-article","created":{"date-parts":[[2018,4,23]],"date-time":"2018-04-23T03:11:13Z","timestamp":1524453073000},"page":"826-830","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Imaging of copper oxygenation reactions in a bubble flow"],"prefix":"10.1002","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9823-1928","authenticated-orcid":false,"given":"Stefan","family":"Benders","sequence":"first","affiliation":[{"name":"Institut f\u00fcr Technische und Makromolekulare Chemie RWTH Aachen University  Aachen 52074 Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9656-2838","authenticated-orcid":false,"given":"Florian","family":"Strassl","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie RWTH Aachen University  Aachen 52074 Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bastian","family":"Fenger","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Technische und Makromolekulare Chemie RWTH Aachen University  Aachen 52074 Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1152-4438","authenticated-orcid":false,"given":"Bernhard","family":"Bl\u00fcmich","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Technische und Makromolekulare Chemie RWTH Aachen University  Aachen 52074 Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4354-4353","authenticated-orcid":false,"given":"Sonja","family":"Herres\u2010Pawlis","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische Chemie RWTH Aachen University  Aachen 52074 Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0751-8799","authenticated-orcid":false,"given":"Markus","family":"K\u00fcppers","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Technische und Makromolekulare Chemie RWTH Aachen University  Aachen 52074 Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,5,17]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/ange.19590710503"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie049131p"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.1485767"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/ceat.201600299"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ces.2009.02.042"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/cjce.22759"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/aic.690280302"},{"key":"e_1_2_6_9_1","volume-title":"NMR imaging of materials","author":"Bl\u00fcmich B.","year":"2000"},{"key":"e_1_2_6_10_1","series-title":"Oxford Science Publications","volume-title":"Principles of nuclear magnetic resonance microscopy","author":"Callaghan P. 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