Ion association titration for the determination of local anesthetics in pharmaceuticals with tetrabromophenolphthalein ethyl ester as an indicator.
Sakai
T
T
Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa, Toyota 470-0392, Japan.
Teshima
N
N
Takatori
Y
Y
D000779:Anesthetics, Local / Q000032:analysis*; D006841:Hydrocarbons, Aromatic / Q000032:analysis; D007202:Indicators and Reagents; D010635:Phenolphthaleins / Q000737:chemistry*; D000644:Quaternary Ammonium Compounds / Q000032:analysis
D000779:Anesthetics, Local; D006841:Hydrocarbons, Aromatic; D007202:Indicators and Reagents; D010635:Phenolphthaleins; D000644:Quaternary Ammonium Compounds; C018157:tetrabromophenolphthalein ethyl ester