2024 年 78 巻 1 号 p. 51-55
Quantitative NMR (qNMR) is a useful technique to determine the purity of organic compounds and is now recognized as a new absolute quantification method in multiple fields such as pharmaceuticals, foods, and food additives. This review outlines why and how qNMR has been implemented as an official method in the Japanese Pharmacopoeia and other social standards. In addition, it addresses difficulties to introduce NMR as a quantitative method and how to resolve them.