ASTM E386-90(2011) PDF

1.1 This standard contains definitions of basic terms, conventions, and recommended practices for data presentation in the area of high-resolution resolution nuclear magnetic resonance (NMR) spectroscopy. Some of the basic definitions apply to wide-line NMR or to NMR of metals, but in general it is not intended to cover these latter areas of NMR in this standard. This version does not include definitions pertaining to double resonance nor to rotating frame experiments.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.