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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.4207
|2 doi
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|a eng
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|a Sørensen, Morten K
|e verfasserin
|4 aut
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|a Natural abundant (17) O NMR in a 1.5-T Halbach magnet
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|c 2016
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 05.02.2018
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|a Date Revised 05.02.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2015 John Wiley & Sons, Ltd.
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|a We present mobile, low-field (17) O NMR as a means for monitoring oxygen in liquids. Whereas oxygen is one of the most important elements, oxygen NMR is limited by a poor sensitivity related to low natural abundance and gyro-magnetic ratio of the NMR active (17) O isotope. Here, we demonstrate (17) O NMR detection at a Larmor frequency of 8.74 MHz in a 1.5-T Halbach neodymium magnet with a home-built digital NMR instrument suitable for large-scale production and in-line monitoring applications. The proposed (17) O NMR sensor may be applied for direct, noninvasive measurements of water content in, for example, oil, manure, or food in automated quality or process control. Copyright © 2015 John Wiley & Sons, Ltd
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|a Journal Article
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|a 17O
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|a NMR
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|a mobile NMR
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|a permanent magnet
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|a Oxygen Isotopes
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|a Water
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|a Bakharev, Oleg N
|e verfasserin
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|a Jensen, Ole
|e verfasserin
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|a Nielsen, Niels Chr
|e verfasserin
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|t Magnetic resonance in chemistry : MRC
|d 1985
|g 54(2016), 6 vom: 01. Juni, Seite 510-2
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|g volume:54
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