In this paper, it has been shown that the a. c. oscillographic polarographic titration can be applied advantageously to titrate Zn~(2+) by EDTA and ferrocyanide by Zn~(2+).

• 交流示波极谱滴定法可有效地应用于EDTA滴定Zn~(2+)和Zn~(2+)滴定亚铁氰化物。