A Simple DC Polarographic Method to Demonstrate the Stepwise Reduction of Oxygen to Hydrogen Peroxide in Aqueous Medium at Acidic/Near Neutral pHs

R. Renuka

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A Simple DC Polarographic Method to Demonstrate the Stepwise Reduction of Oxygen to Hydrogen Peroxide in Aqueous Medium at Acidic/Near Neutral pHs

机译：一种简单的直流极谱法，用于证明在酸性/近中性pH值下，水介质中的氧气逐步还原为过氧化氢

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In this paper a simple dc polarographic method is presented for demonstrating the stepwise reduction of oxygen to hydrogen peroxide in aqueous media, at acidic near natural pHs, without the addition of surfactants. The principle is based on the fact L - tryptophan (trp) stabilizes superoxide anion O_2, in aqueous medium. Tryptophan in the concentration range. 2 X 10~(-4) M to 1 X 10~(-6) M brings about splitting of the single 2e dc wave of O_2→H_2O_2 reduction into two 1e steps enabling electrogenertion of superoxide ion as a stable transient species.

机译：在本文中，提出了一种简单的直流极谱法，以证明在不添加表面活性剂的情况下，在接近自然pH的酸性条件下，水介质中的氧气逐步还原为过氧化氢。该原理基于以下事实：L-色氨酸（trp）在水性介质中稳定超氧阴离子O_2。色氨酸的浓度范围。 2 X 10〜（-4）M到1 X 10〜（-6）M导致O_2→H_2O_2还原的单个2e dc波分裂为两个1e步骤，从而使超氧离子作为稳定的瞬态物种产生电。

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《Journal of the Electrochemical Society of India》 |2000年第3期|共3页
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R. Renuka;
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中图分类电化学工业;
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1. A Simple DC Polarographic Method to Demonstrate the Stepwise Reduction of Oxygen to Hydrogen Peroxide in Aqueous Medium at Acidic/Near Neutral pHs [J] . R. Renuka Journal of the Electrochemical Society of India . 2000,第3期

机译：一种简单的直流极谱法，用于证明在酸性/近中性pH值下，水介质中的氧气逐步还原为过氧化氢
2. Electrosynthesis of hydrogen peroxide in acidic solutions by mediated oxygen reduction in a three-phase (aqueous/organic/gaseous) system - Part II: Experiments in flow-by fixed-bed electrochemical cells with three-phase flow [J] . Gyenge EL., Oloman CW. Journal of Applied Electrochemistry . 2003,第8期

机译：三相（水/有机/气态）系统中介导的氧还原作用在酸性溶液中过氧化氢的电合成-第二部分：三相流固定床电化学池的实验
3. Electrosynthesis of hydrogen peroxide in acidic solutions by mediated oxygen reduction in a three-phase (aqueous/organic/gaseous) system Part II: Experiments in flow-by fixed-bed electrochemical cells with three-phase flow [J] . E.L. Gyenge, C.W. Oloman Journal of Applied Electrochemistry . 2003,第8期

机译：在三相（水/有机/气态）系统中通过介导的氧还原作用在酸性溶液中过氧化氢的电合成第二部分：三相流经固定床电化学池的实验
4. Oxidation of benzaldehyde to benzoic acid with aqueous hydrogen peroxide over dodecatungstophosphoric acid [C] . Qiuying Huang, Beibei Dong, Xiucheng Zheng International Conference on Chemical Engineering and Advanced Materials . 2013

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6. Copolymer of Phenylene and Thiophene toward a Visible‐Light‐Driven Photocatalytic Oxygen Reduction to Hydrogen Peroxide [O] . Kouki Oka, Hiroyuki Nishide, Bjorn Winther‐Jensen 2021

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A Simple DC Polarographic Method to Demonstrate the Stepwise Reduction of Oxygen to Hydrogen Peroxide in Aqueous Medium at Acidic/Near Neutral pHs

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