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Table 1 Redox potentials of buffers in a 0.2 M sodium sulfate electrolyte solution

From: Synthesis of Gold Nanoparticles with Buffer-Dependent Variations of Size and Morphology in Biological Buffers

Group Buffer Reduction peak (V) Oxidation peak (V)
A PIPES 0.76 1.16
MES 0.72 1.15
PIPES-SS 0.76 1.13
B TAPSO 0.73 1.08
TAPS 0.47/0.72 0.50/1.11
TES 0.54/0.72 0.55/1.14
C TEA 0.36 0.73/0.89
Bicine 1.2
BTM 0.51/0.68 1.09
BTP 0.39 1.04
D PSTT 0.48 0.95