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==NMR Chemical Shift Standards==
NMR Chemical Shift Standards are compounds of which give rise to a NMR signal of known chemical shift.

===NMR Chemical Shift Reference Standards===

====1H-NMR====

====13C-NMR====

====15N-NMR====

====19F-NMR====

====31P-NMR====

==NMR Reference Standards==
NMR Reference Standards are chemically-defined solutions packaged in flame-sealed NMR tubes designed to test certain aspects of spectrometer performance.

===Commonly Used NMR Reference Standards===

====1H Line shape, resolution, Sensitivity====

====13C Line Shape, Sensitivity====

====15N Sensitivity====

====19F Sensitivity====

====19F Sensitivity====

====31P Sensitivity====

====Temperature Calibrants====

====Attached Proton Test (APT)====

====Indirect Detection====

==Reference Materials for qNMR==
Reference materials (RMs) for qNMR are used as either internal or external standards for purposes of quantitation.  RMs used as internal standards need to be highly pure, chemically inert, non-hygroscopic and non-volatile, give rise to simple spectra with non-overlapping resonances of the sample and be soluble in common deuterated NMR solvents.  

===Primary Certified Reference Materials for 1H qNMR===
3,5-Bis(trifluoromethyl)benzoic acid (NMIJ CRM 4601-a)<br />

Benzoic Acid (NIST PS1, Primary standard or qNMR)

===Secondary Certified Reference Materials for qNMR===
"TraceSure" product line of CRMs for qNMR, manufactured by Wako Pure Chemicals.

"TraceCERT" product line of CRMs for qNMR, manufactured by Sigma-Aldrich