The experimental results demonstrate that two sharp and sensitive reduction peaks of purine were yielded in the supporting electrolyte of 0.2mol/L H_2SO_4. The peak potentials are -0.76 V(E_(p1)) and -1.10 V (E_(p2)) (vs.Ag/AgCl), respectively.

• 实验表明；在0.；2mol/L的H_2SO_4底液中；嘌呤产生两个良好的还原峰(P_1；P_2)；Ep_1=-0