[O-:1][CH2:2][CH3:3].[Na+:4].[Pt:5](Cl)Cl>C(O)C>[Pt:5].[C:2].[CH2:2]([OH:1])[CH3:3].[O-:1][CH2:2][CH3:3].[Na+:4]Sodium ethoxide (0.416 g) was dissolved in 20 mL of ethanol, then combined with platinum chloride (0.333 g) and agitated until it became clear. The resulting mixture was then added to a carbon support slurry which was dispersed in 10 mL of ethanol and further agitated to produce a platinum precursor-carbon-sodium ethoxide ethanol mixture.
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