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Separation of nitrite and hydrogen peroxide using direct infusion and reversed polarity. Perfusate buffer: 10 mM boric acid and 2 mM TTAB at pH 9.2, 1 mM nitrite and 1mM hydrogen peroxide, at a flow rate of 1 μL/min. Separation buffer: 10 mM boric acid and 2 mM TTAB at pH 9.2. The applied voltage was −1600 V, generating a field strength of 254 V/cm, with an injection time of 1 second. The working electrode was set to a 1.1 V bias to the Pt reference electrode.
