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以二茂铁(Fe)作为电子传递介体,制成Fe修饰的青椒籽碳糊电极,研究了该电极的性能,用恒电位电流法测定了抗坏血酸的浓度并用于药物中抗坏血酸的含量分析,结果与药典法相符.
Ferric oxide (Fe) was used as the electron transfer mediator to prepare the Fe modified green pepper seed carbon paste electrode. The performance of the electrode was studied. The ascorbic acid concentration was determined by potentiostatic current method and used for the content analysis of ascorbic acid in medicine. The result is consistent with the pharmacopoeia.