Convert 15N chemical shifts to different standards

Often People use liquid NH3 as a standard for Nitrogen NMR.
To convert such chemical shifts to the IUPAC Standard nitromethane subtract 380.2 ppm for 15N chemical shifts


15N chemical shifts referenced to:
Standard chem. shift Standard chem. shift
Nitromethane ppm liquid Ammonia ppm
NH4Cl ppm HNO3 (conc) ppm
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