Reaction of tertiary amine-, quaternary ammonium-, and inorganic salts with citric acid in acetic anhydride.
D000588:Amines; D000812:Anhydrides; D002951:Citrates; D003124:Colorimetry; D007202:Indicators and Reagents; D000644:Quaternary Ammonium Compounds; D012492:Salts
D000588:Amines; D000812:Anhydrides; D002951:Citrates; D007202:Indicators and Reagents; D000644:Quaternary Ammonium Compounds; D012492:Salts