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. 2012 Sep 19;7(9):e44846. doi: 10.1371/journal.pone.0044846

Figure 2. Linear sweeps of nickel, copper and glassy carbon rotating disk electrodes in 50 mM Phosphate Buffer +50 mM Sodium Nitrite at pH 7.0 at 400.

Figure 2

rpm. Inset : constant current (2 mA/cm2) experiments in 50 mM Phosphate Buffer +50 mM Sodium Nitrite at pH 7.0 with nickel, copper and glassy carbon rotating disk electrodes at 400 rpm.