Abstract
A method using fullerene for adjusting the NMR spectral resolution for multiple quantum magic angle spinning (MQMAS) experiments is proposed. To observe its 13C MAS signal, it is not necessary to apply 1H decoupling, unavailable with single-resonance MQMAS probes. Although 13C T1 of fullerene is rather long, a recycle time of 5 s in shimming yields its signal with sufficiently high sensitivity if setting the appropriate Ernst angles corresponding to magnetic fields. It is demonstrated that so-adjusted high resolution is reflected in the 87Rb MQMAS spectra of RbNO3.
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Shimoikeda, Y., Utsumi, H., Saito, K. et al. Fullerene as a Standard Sample for Adjusting the NMR Spectral Resolution in Multiple-Quantum Magic-Angle-Spinning Experiments. ANAL. SCI. 23, 1007–1009 (2007). https://doi.org/10.2116/analsci.23.1007
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DOI: https://doi.org/10.2116/analsci.23.1007