title: Direct determination of amine salt-base ratios by nuclear magnetic resonance spectrometry; correlation of acid strengths in chloroform by nuclear magnetic resonance and infrared spectrometry.
mesh_terms: D000143:Acids; D000588:Amines; D002626:Chemistry, Pharmaceutical; D002725:Chloroform; D009682:Magnetic Resonance Spectroscopy; D013057:Spectrum Analysis
chemical_list: D000143:Acids; D000588:Amines; D002725:Chloroform