A general protocol for temperature calibration of MAS NMR probes at arbitrary spinning speeds |
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| Authors: | Guan Xudong Stark Ruth E |
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| Affiliation: | Department of Chemistry, City College of New York, City University of New York Graduate Center and Institute for Macromolecular Assemblies, 160 Convent Avenue MR-1208B, New York, NY 10031, USA. |
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| Abstract: | A protocol using (207)Pb NMR of solid lead nitrate was developed to determine the temperature of magic-angle spinning (MAS) NMR probes over a range of nominal set temperatures and spinning speeds. Using BioMAS and FastMAS probes with typical sample spinning rates of 8 and 35 kHz, respectively, empirical equations were devised to predict the respective sample temperatures. These procedures provide a straightforward recipe for temperature calibration of any MAS probe. |
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