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NMR-forskning fra AU hædres af The National High Magnetic Field Laboratory i USA

Professor emeritus Hans J. Jakobsen foran den kraftige 21 testa-magnet i National High Magnetic Field Laboratory ved Florida State University.

Aarhus-forskere har, ved hjælp af faststof-NMR-spektroskopi, skabt ny viden om katalysatorer som kan fjerne det miljø- og sundhedsskadelige svovl fra råolie.

04.07.2011 | Jens Holbech

Magic-angle spinning: The sample (blue) is rotating with high frequency inside the main magnetic field (B0). The axis of rotation is tilted by the magic angle θm with respect to the direction of B0. (Source: Wikipedia)

In English only:

High-resolution NMR spectroscopy of solid inorganic, organic, and biological materials has undergone an impressive technological development, in particular using Magic-Angle Spinning methods and high-field magnets, during the past few decades.

Professor emeritus Hans J. Jakobsen and his colleagues at the Danish Instrument Centre for Solid-State NMR Spectroscopy, Department of Chemistry and iNANO, Aarhus University – in collaboration with researchers at Haldor Topsøe A/S – have performed a successful high magnetic-field, low-temperature 17O Magic-Angle Spinning NMR investigation on Cs2WO4 at the ‘National High Magnetic Field Laboratory’ at Florida State University and thereby obtained new information on the the structure and dynamics of this material.
The Cs2WO4 compound is an important material in relation to the recent 33S Magic-Angle Spinning NMR structural and dynamic studies by the Aarhus/Haldor Topsøe group on several 33S Magic-Angle Spinning NMR materials (e.g., Cs2WS4 and MoS2) in an understanding of the mechanism of heterogeneous HydrogenDeSulfurization catalysts used for the removal of sulphur from crude earth oil, thereby contributing to an increased green environment of the worlds oil production.

The Lab at Florida State University is highlighting the Aarhus research

The present 17O Magic-Angle Spinning NMR research by the Aarhus/Topsøe NMR group at the National High Magnetic Field Laboratory has been selected among numerous other worldwide users at the laboratory, as one out of two materials research projects, to celebrate the 5-year Happy Birthday of the lab’s homebuilt, and world’s largest 900 MHz high-field (21.15 Tesla) magnet with respect to both physical size and magnet bore (105 mm bore, required for the low-temperature 17O research) in an article of the worldwide distributed “MAG LAB REPORTS”, issue Winter 2010, Volume 17, No.4.
Visit pages 1, 12-22 – and in particular page 14 and Figure 3 – for the Aarhus project-summary to this important 5-year Happy Birthday celebration of the 900 UWB magnet NMR spectrometer at the above link.

A full account of this research project is now in press as a research article in the American Chemical Society (ACS) journal of Inorganic Chemistry.

For more information, please contact

Professor emeritus Hans J. Jakobsen
Danish Instrument Centre for Solid-State NMR Spectroscopy,
Department of Chemistry and iNANO,
Aarhus University,
DK-8000 Aarhus C

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Revideret 16.05.2012