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本文介绍测定几种制剂中普鲁卡因含量的选择性膜电极法,平均相对误差对4～12mg的盐酸普鲁卡因为±0.5%。所用液膜系由“普鲁卡因与四苯硼钠;(TPB)”及“普鲁卡因与六硝基二苯胺”组成的离子缔合物:
This article describes a selective membrane electrode method for the determination of procaine in several formulations with an average relative error of ± 0.5% for 4 to 12 mg of procaine hydrochloride. The liquid film used was composed of “procaine and sodium tetraphenylborate; (TPB)” and “procaine hexanitroaniline” consisting of ion-association: