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将流动注射双安培法应用于两种物质的不可逆电对体系。在两电极电位差即外加电压为零时，使用经过在0．01mol/LNaOH溶液中1．5V恒电位预处理的双铂丝电极，基于Vc的氧化和溶解氧的还原，拟定了流动注射双安培法测定Vc的新方法。Vc氧化电流与其浓度在1×10~(-5)mol/L－2×10~(-3)mol/L范围内呈线性关系，检测限为8×10~(－6)mol/L；两铂电极经预处理后，灵敏度增加4~6倍；连续进样24次，电流值RSD=1．58％。用本方法测定了Vc片剂和柑桔中Vc的含量，得到满意结果。
Flow injection amplicon is applied to irreversible electroporation system of two substances. Potential difference between the two electrodes that is applied voltage is zero, the use of 0.01mol / LNaOH pretreatment potentiostatic 1.5V double platinum wire electrode, based on Vc oxidation and dissolved oxygen reduction, the proposed flow injection of bis Ampere method for the determination of Vc new method. The oxidation current of Vc showed a linear relationship with the concentration of 1 × 10 -5 mol / L-2 × 10 -3 mol / L with the detection limit of 8 × 10 -6 mol / L. Two platinum electrodes after pretreatment, the sensitivity increased by 4 to 6 times; 24 consecutive injection, the current value of RSD = 1.58%. Vc content in Vc tablets and oranges was determined by this method and satisfactory results were obtained.