In ammonium hydroxide-ammonium chloride-Potassium chloride supporting electrolyte the antigen or antibody exhibits two reduction Peaks at-1. 19 V and-1. 37V(vs 1N Ag/AgCl)by differential Pulse polarography.

• 在NH_3-NH_4C1-KC1支持电解质中；抗原或抗体用差分脉冲极谱在-1.；19V和-1