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Keywords:

  • analytical methods;
  • NMR spectroscopy;
  • sensors
Thumbnail image of graphical abstract

Downsizing: A pocket-size permanent magnet has been constructed that is suitable for measuring 1H NMR spectra of samples in standard NMR tubes. The new shimming approach implemented to overcome the inherent inhomogeneity of permanent magnets opens the door to compact high-resolution NMR spectrometers for conventional samples.