Measurement of temperature in 13C CP/MAS NMR

Frank G. Riddell, Roger A. Spark, Gabor V. Günther

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Abstract

A method for temperature calibration of CP/MAS NMR probes and their temperature controllers is described that relies upon known phase changes in the compounds adamantane, d-camphor, pivalic acid and DABCO. The method appears to give a convenient and reliable calibration over the temperature range ca. 173-373 K. In a separate experiment, making use of a well defined lineshape coalescence, it was shown that the temperature effect of spinning in a 4 mm Bruker MAS probe with zirconia rotors could be fitted by a squared relationship but that if treated as approximately linear the variation was ca. 1 K kHz-1.

Original languageEnglish
Pages (from-to)824-828
Number of pages5
JournalMagnetic Resonance in Chemistry
Volume34
Issue number10
DOIs
Publication statusPublished - Oct 1 1996

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Keywords

  • C CP/MAS NMR
  • Temperature measurement

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

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