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首页> 外文期刊>Oxidation Communications >Inhibitors, antioxidants, antimicrobial agents for stabilisation of different organic products DETERMINATION OF THE REDOX POTENTIAL OF THE EqCi SYSTEM VIA CYCLIC CONVOLUTIVE VOLTAMMETRY AND DIGITAL SIMULATION METHODS
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Inhibitors, antioxidants, antimicrobial agents for stabilisation of different organic products DETERMINATION OF THE REDOX POTENTIAL OF THE EqCi SYSTEM VIA CYCLIC CONVOLUTIVE VOLTAMMETRY AND DIGITAL SIMULATION METHODS

机译:用于稳定各种有机产品的抑制剂,抗氧化剂,抗微生物剂通过循环卷积伏安法和数字模拟方法测定EqCi系统的氧化还原电位

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摘要

The redox potential (E-0) of the electroactive species is determined from cyclic voltammetry by taking the average values of the forward and backward peak potentials, i.e. (E-p(f) + E-p(b))/2. In the case of quasi-reversible charge transfer followed by irreversible chemical step (EqCi) when the chemical step is too fast, the backward peak disappears and the redox potential (E-0) of the couple can not be determined from the average values of peak potentials. In this case, the plot of E-p -E-p/2 various E-p at various values of sweep rates was used for determination of the redox potential E-0. Convolutive voltammetry was used to verify the accuracy and the validity of our simple method.
机译:电活性物质的氧化还原电势(E-0)由循环伏安法通过取正向和反向峰值电势的平均值即(E-p(f)+ E-p(b))/ 2确定。在准可逆电荷转移后进行不可逆化学步长(EqCi)的情况下,如果化学步长太快,则后向峰消失,无法从的平均值确定该对的氧化还原电势(E-0)。峰值电位。在这种情况下,使用E-p -E-p / 2各种扫描速率下的各种E-p的图来确定氧化还原电势E-0。卷积伏安法用于验证我们简单方法的准确性和有效性。

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