§5-1 Basic principle of polarograpy §5-2 Equation of diffusion current A basis of polarographically quantitative analysis §5-3 Halfwave potential —polarographic qualitative analysis §5-4 Interference currents and their removing methods §5-5 Characteristics and disadvantages of polarographic analysis §5-6 Polarographic Catalytic Wave §5-7 Single-sweep polarography(单扫描极谱法) (Oscillographic polarography,示波极谱法) § 5-8 Squar-wave polarography §5-9 Pulse polarography §5-10 Stripping voltammetry §5-11 单指示电极安培滴定(Amperometric titration with single indicating electrode, polarographic titration) §5-12 双指示电极安培滴定(永停滴定) (Dead-stop end point titration) §5- 13 双指示电极电位滴定 (potentiometric titration with double indicating electrodes)