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. 2019 Aug 19;4(9):13721–13732. doi: 10.1021/acsomega.9b01103

Table 2. Electrochemical Properties of the Redox Couple Determined from Rotating Disk Electrode Experiments.

sample Ik × 10–4 (A cm–2) φ = 0.35 V vs SCE D (cm2 s–1) υ (cm2 s–1)
sodium 9,10-anthraquinone-1-sulfonate 6.89 × 10–6 3.40 × 10–6 0.013496
sodium 9,10-anthraquinone-2-sulfonate 2.21 × 10–5 3.85 × 10–6 0.013572