The Use of Silver Solid Amalgam Electrodes for Voltammetric and Amperometric Determination of Nitrated Polyaromatic Compounds Used as Markers of Incomplete Combustion

Figure 1

Cyclic voltammograms of 1-NP (𝑐=1⋅10⁻⁴ mol L⁻¹) at m-AgSAE in methanol—BR buffer or 0.01 mol L⁻¹ NaOH mixture (7 : 3). pH of BR buffer (a) 2.0 (pH^𝑓 2.3); (b) 7.0 (pH^𝑓 8.5); (c) pH of 0.01 mol L⁻¹ NaOH 12.0 (pH^𝑓 12.1). The 1st (—), and the 12th (⋯) scan, scan rate 100 mV s⁻¹.

(a)

(b)

(c)