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. 2024 Mar 1;5:1332298. doi: 10.3389/froh.2024.1332298

Table 1.

Parameters used for MAS-NMR.

Parameters for MAS-NMR 19F 31P 35Cl
Resonance frequency (MHz) 564.8 242.9 58.8
Spinning frequency (KHz) 22 12 12
Signal of reference adjusted chemical shift/ppm 120 0 0
Number of scans 128 32 512
Size of rotor 2.5mm 4mm 4mm
Reference material 1 mol/l aq NaF 85% aq H3PO Solid NaCl