An oscillopolographic titration method for the determination of sulphonamide and p-amino cal-cium salicylate was developed.The end point of the titration is directly perceived.

• 本文采用交流示波极谱滴定法测定磺胺和对氨基水杨酸钙两类药物的含量,与其它方法相比,具有快速准确、终点直观、用样量小的特点。