Number of publications on quantitative NMR since 1970 (■ in black, 499 items). Among these, 1H qNMR (● in red, 296 items), 13C qNMR (● in orange, 62 items), 15N qNMR (● in gray, 12 items), 19F qNMR (● in yellow, 15 items), 29Si qNMR (● in blue, 2 items), and 31P qNMR (● in green, 12 items). The data to be analyzed were retrieved through PubMed (National Center for Biotechnology Information, NCBI) on December 14, 2021. At the bottom, the chronological milestone line of NMR events is illustrated.
Reference/Book Chapter: Quantitative NMR in Qulality Control
in Quality Control of Chinese Medicines-Strategies and Methods