The photometric determination of quaternary ammonium salts and of certain amines by compound formation with indicators. I. Quaternary ammonium salts.
D000588:Amines / Q000032:analysis*; D064751:Ammonium Compounds / Q000032:analysis*; D000644:Quaternary Ammonium Compounds / Q000032:analysis*; D012492:Salts
D000588:Amines; D064751:Ammonium Compounds; D000644:Quaternary Ammonium Compounds; D012492:Salts
AMINES/determination; AMMONIUM COMPOUNDS/determination